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Avital 3100LX Security System (W/O Siren)

4.4 4.4 out of 5 stars 862 ratings
$35.99 with 7 percent savings
Typical price: $38.67

This is determined using the 90-day median price paid by customers for the product on Amazon. We exclude prices paid by customers for the product during a limited time deal.
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3100LX
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Purchase options and add-ons

  • 3-channel security/keyless entry system
  • Bright Red LED Status Indicator
  • Includes (2) 3-button Transmitters
  • Dome Light Supervision - Separate relay required
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Avital 3100LX Security System (W/O Siren)
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    Price$38.00$36.99$39.99$94.84$152.95$58.24
    Delivery
    Get it as soon as Tuesday, May 14
    Get it as soon as Tuesday, May 14
    Get it as soon as Wednesday, May 15
    Get it as soon as Wednesday, May 15
    Get it as soon as Tuesday, May 14
    Get it as soon as Tuesday, May 14
    Customer Ratings
    4.44.4 out of 5 stars862
    4.04.0 out of 5 stars342
    4.24.2 out of 5 stars142
    4.34.3 out of 5 stars1,468
    4.54.5 out of 5 stars1,016
    4.54.5 out of 5 stars613
    Value for money
    4.3
    3.8
    4.4
    4.1
    4.3
    4.3
    Easy to install
    4.1
    4.8
    4.5
    3.7
    3.8
    3.8
    Tech Support
    3.4
    3.4
    —
    4.0
    3.9
    3.6
    Remote Control
    —
    4.8
    5.0
    4.2
    5.0
    —
    Motion detection
    3.7
    3.6
    3.9
    —
    —
    —
    Sold By
    Amazing Dealzzz
    CHADWICK Direct
    VJOYCARLTD
    Sound Dealz
    STEREOSOUNDSYSTEM
    OnlineCarStereo-com
    noise level
    —
    125 decibels
    —
    121 decibels
    —
    69 decibels
    remote included
    ✗
    ✓
    ✓
    ✗
    ✗
    ✗

    Product guides and documents

    User Manual (PDF)

    Product information

    Warranty & Support

    Product Warranty: For warranty information about this product, please click here

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    Avital 3100LX Security System (W/O Siren)

    Avital 3100LX Security System (W/O Siren)

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    Product Description

    Avital 3100LX 3-Channel Keyless Entry Car Alarm

    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    862 global ratings

    Customers say

    Customers like the performance, ease of installation, value, and quality of the car alarm. For example, they mention it works well, is easy to install, and has great features for the price. That said, some complain that it doesn't come with a siren.

    AI-generated from the text of customer reviews

    89 customers mention71 positive18 negative

    Customers like the performance of the car alarm. They mention that it works well, is a great basic system, and works exactly as described. Some say that the unit looks fine.

    "...It works perfectly out of the box. This one has a connector for a horn alarm, but I had a siren installed already and works with it...." Read more

    "...That said, this is a great basic system. It's nice that it has the starter kill and parking flash relays on-board...." Read more

    "...Such is life. Totally plug and play, very happy. Reused my old siren that was already there...." Read more

    "Works as expected." Read more

    36 customers mention36 positive0 negative

    Customers find the installation of the car alarm to be easy. They say that the instructions are clear and widely available online. They also mention that the module is simple to wire and that the alarm is good for most basic installs.

    "...You can do it! Soldering isn't that hard with some practice.Overall I'd buy it again. Does what it's supposed to with no issues so far...." Read more

    "...Such is life. Totally plug and play, very happy. Reused my old siren that was already there...." Read more

    "...In my experience, this unit is good for most basic installs.I have ordered these many times before, and they're usually solid...." Read more

    "...If you know what you are doing, this is a very easy alarm to install...." Read more

    35 customers mention35 positive0 negative

    Customers are satisfied with the value of the car alarm. They mention that it works great, has great features, and is affordable. Some say that it's one of the best budget keyless entry options available.

    "Great value" Read more

    "This alarm system is great for the price. It did take a lot of research to install that sent to my 2006 Dodge ram truck...." Read more

    "If you're in the market for a no frills, basic car alarm at a decent price then that's what you're going to get here...." Read more

    "Has lots of functions of higher priced DEI systems at a lower price, but may need to add on some parts like sensors, hood pins, does not include a..." Read more

    32 customers mention29 positive3 negative

    Customers are satisfied with the quality of the car alarm. They mention it's a good basic alarm, reliable, and solid. Some say that the remotes feel sturdy and are not bulky. Overall, most are happy with the product's quality and functionality.

    "...4 starts in the"for beginners"area because although this product is solid and very simple for me, comes with great instructions, to say that..." Read more

    "...Good quality nonetheless." Read more

    "...ANY vehicle(for those with 12v experience), and are extremely reliable when installed properly...." Read more

    "Seems like good quality only time well tell and affordable, also easy to install" Read more

    20 customers mention11 positive9 negative

    Customers are mixed about the lock. Some mention that it gives them a key fob and the ability to lock and unlock their car doors. They also like the separate lock unlock on the remotes. However, some customers say that the automatic unlock and lock didn't work properly and the battery was being charged. The auto lock works but the lock button does not, and the power door lock function no longer works.

    "...exactly what I wanted it to do -- gives me a key fob and the ability to lock and unlock...." Read more

    "...However when I got to testing the locks I noticed the negative lock output was not working, no output at all even right at the pin...." Read more

    "...I love how my doors lock and unlock when I start the car and shut off. The horn chirp is perfect, not too loud and annoying...." Read more

    "...price + install cost through GeekSquad (Best Buy), installing the keyless entry was a steal...." Read more

    6 customers mention3 positive3 negative

    Customers are mixed about the sound quality of the car alarm. Some mention that it produces loud sounds, while others say that it sounds stupid.

    "...The horn chirp is perfect, not too loud and annoying. Keyless buttons work great...." Read more

    "...EDIT:This alarm produces a very weak negative signal and only works in hot weather...." Read more

    "...Keyless entry, dedicated trunk release and horn honk all from a reputable company like Directed for $30? What's there to complain about?" Read more

    "...I wired it to the factory horn but it sounds stupid. I purchased the dei electronics siren and works great" Read more

    25 customers mention0 positive25 negative

    Customers are dissatisfied with the lack of a siren in the car alarm kit. They say the horn does beep when they lock their car.

    "...It's exactly what I wanted this time. THERE IS NO SIREN WITH THIS KIT, which is exactly what I wanted...." Read more

    "The Avital 3100LX does not come with a siren. Please read the description, people...." Read more

    "...Does not come with a siren...." Read more

    "...these for years so I know what to expect, note this model doesn't come with siren, I have many...." Read more

    13 customers mention0 positive13 negative

    Customers have a hard time with the instructions. They mention the wiring directions are vague and difficult for an average do-it-yourselfer to follow. They also say the manual doesn't answer fundamental questions and it's hard to find color code instructions online for their car or truck.

    "...they want, but unless you're installing these daily, the instructions are hard to follow if you don't know what you're looking at...." Read more

    "...The instructions wander needlessly into dividing up functions into zones, as if that somehow gives them some special importance...." Read more

    "...install products and this is unacceptable the lack of understandable information or access to customer assistance even if they want someone to take..." Read more

    "This alarm system is great for the price. It did take a lot of research to install that sent to my 2006 Dodge ram truck...." Read more

    I received just this parts, it is bad product
    1 Star
    I received just this parts, it is bad product
    I don’t recommend this product
    Hide
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    Top reviews from the United States

    Roy
    5.0 out of 5 stars Solid option if you're on a budget.
    Reviewed in the United States on July 29, 2022
    Style: 3100LXVerified Purchase
    I bought this for my 1989 240sx before moving into a large city for some added security and peace of mind. The installation took about 3 hours. You'll need a test light or multimeter, wire stripper, soldering iron, heat shrink, electrical tape, and cloth harness tape for the best results. I highly recommend you do some research into what comes in this kit. You'll need to purchase a siren, door lock actuators (if you don't already have power locks), and a rely. I recommend the DLS 451M relay. It plugs right in and handles getting solid power to your actuators. The alarm doesn't put out enough on its own. You can also find all the info needed online regarding the wiring for your car. We live in a wonderful time where knowledge is free and easily accessible. It's worth skipping the wire splicers and soldering everything in for better longevity with the system. You can do it! Soldering isn't that hard with some practice.

    Overall I'd buy it again. Does what it's supposed to with no issues so far. I've installed this on 3 cars now. If I have any I'll update the post.
    6 people found this helpful
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    Luxor
    5.0 out of 5 stars Why didn't I do this sooner?
    Reviewed in the United States on November 12, 2023
    Style: 3100LXVerified Purchase
    I had an old Viper ESP 500 alarm installed that I couldn't program any more for some reason. It also developed the annoying bug of passive arming with the door open. I about gave up when i found this inexpensive Avital alarm, which is actually made by the same company. It was literally a drop in replacement for the old alarm. I just disconnected the old one and reconnected the relevant cables on this one and voila! It works perfectly out of the box. This one has a connector for a horn alarm, but I had a siren installed already and works with it. The old one also had an external shock sensor you had to plug in, but this one has it built in. Best of all, the passive arming works as it should (active arming is the default but reprogramming is much easier!).
    3 people found this helpful
    Helpful
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    Kenny
    5.0 out of 5 stars Good value
    Reviewed in the United States on April 16, 2024
    Style: 3100LXVerified Purchase
    Great value
    Helpful
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    NateNBeckie
    4.0 out of 5 stars A solid system
    Reviewed in the United States on February 24, 2022
    Style: 3100LXVerified Purchase
    As expected from Directed, the install instructions are less than stellar. They can claim that it's because these are made for "professional installation" all they want, but unless you're installing these daily, the instructions are hard to follow if you don't know what you're looking at. It's not hard or expensive to make proper instructions. The "professional installation" is just a cop-out. I've been doing car audio and security as a hobby for 30 years and even I had to double check what I was doing a few times to make sure I understood it correctly. One thing though. The instructions are VERY clear NOT to mount this to solid metal though because the shock sensor works best that way. Zip tie it to a big wiring harness, the shock sensor is plenty sensitive.

    That said, this is a great basic system. It's nice that it has the starter kill and parking flash relays on-board. It's exactly what I wanted this time. THERE IS NO SIREN WITH THIS KIT, which is exactly what I wanted. Sirens are such a 90's item and they're not needed IMO. Honking horns are equally as effective and a ton less obnoxious. I just needed something to replace the lost remotes for my OEM RKE and add some security to keep the goblins out. This does exactly that, no frills. The remotes are nice and small so if you're like me and tired of huge key fobs, this is a big plus. They also take standard CR2032 batteries. I would buy this again over the other systems in this price range. 5 stars? No. But a really solid 4 stars especially for the price. Just make sure you are comfortable installing this in your car or you'll be lost.
    7 people found this helpful
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    Logan
    5.0 out of 5 stars Good basic security!
    Reviewed in the United States on October 16, 2023
    Style: 3100LXVerified Purchase
    Bought it to replace an aging 3100 series directed alarm. New remotes would have cost the same or more as an entire new system. Such is life. Totally plug and play, very happy. Reused my old siren that was already there. I did call the customer service number so I could set the alarm to lock AS WELL AS arm the vehicle once the doors were open and shut. It’s just what I’ve always been used to, and they were very helpful in doing so, I guess I caught them on a good day? The other reviews kinda discouraged me from calling initially but I figured I’d give it a shot.
    One person found this helpful
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    MAmazon Customer
    5.0 out of 5 stars Perfect 👍🏾
    Reviewed in the United States on March 2, 2024
    Style: 3100LXVerified Purchase
    Great 👍🏾 works perfect !!!
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    Nikki
    3.0 out of 5 stars Good value. But got a bad unit.
    Reviewed in the United States on December 12, 2022
    Style: 3100LXVerified Purchase
    I've been installing car alarms for many years. In my experience, this unit is good for most basic installs.
    I have ordered these many times before, and they're usually solid. This time I got a unit that might have been a return.

    Because everything was included in the box I figured it would be fine. However when I got to testing the locks I noticed the negative lock output was not working, no output at all even right at the pin.
    Luckily, my customer wasn't interested in the power locks as his truck is very old and the factory locks aren't working.

    Everything else worked. But that could have been a real problem for me with any other customer. I don't think I'll be ordering these on Amazon in the future.
    2 people found this helpful
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    Jason McCord
    5.0 out of 5 stars Some install tips...
    Reviewed in the United States on February 17, 2021
    Style: 3100LXVerified Purchase
    The Avital 3100LX does not come with a siren. Please read the description, people. I have bought and installed dozens of alarms over the years (Long-ago, I once worked as an audio/video/alarm installer.) You can either choose to purchase a siren of your choice, or you can connect this security system to your horn.
    As for outputs: You will need relays, in most cases, to get this alarm to operate your power door locks. The outputs from the alarm are somewhere in the range of 200-300 milliamps, and that is not enough amperage to operate your door locks, in most cases. This unit is manufactured by directed electronics (DEI), the same company that makes Viper, python and several other brands of excellent car alarms. I use this exact model in several of my cars, and have had no trouble out of them. If you are struggling during the install, look up 12volt.com. you can likely find the alarm wiring diagram, plus the location of all the wiring you will need, in your specific vehicle. If you know what you are doing, this is a very easy alarm to install. If you are having trouble with range on the transmitter (remote), try moving the unit to a different place under the dash. You should have anywhere between 500 to 2000 feet of range. The "brain" must be securely mounted to a solid part of the car, otherwise the shock sensor will not work properly.
    I hope this helps.
    DR.K.
    49 people found this helpful
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