This basic alarm unit is perhaps one of the best car alarm deals online. The key FOBs are high quality, look good, and are very durable. The alarm unit will work for a very long time without failure if installed properly. The alarm is very easy to install, program, and use. Everything about it is simple and easy. The ScyTek G40 can lock and unlock your doors, open your trunk, kill the starter circuit, or help you find your car in the parking lot. The most impressive feature is the sturdy remotes. They're made of high quality plastic and metal, and look very much like nice original equipment car remotes. The range isn't great, but who wants to unlock their car from half a mile away anyway? That would be silly. I give this product 5 stars across the board, EXCEPT for features, for the following reasons: No on-board lock / unlock relays. This unit must be interfaced with a lock control module, or relays need to be added. It also only works with negative lock polarity. Check for vehicle compatibility - you may need to buy additional parts to get your locks to work. No on-board starter relay: add relay for cutout Siren chirp programming only: not compatible with a programmer unit (Directed Electronics products such as viper, clifford, and python are easier to program if you have the tool for them) If you drop the remote, the buttons can get stuck, causing your car alarm to go into panic mode. A few taps of the remote on a solid surface will correct this, or you can take the remote apart while the car is beeping like crazy and straighten the batteries back out. This is not a big problem - it just happened to me a couple times because I'm an idiot and I drop things. Conclusion: This is probably the best simple alarm unit for the price, provided your car has a simple ground wire switched lock system. If it's positive side lock switching or otherwise, you may want to consider a unit with better vehicle compatibility.
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