Don't waste your time or money with JTM Auto. I purchased 2 car alarms from JTM Auto (which also trades on eBay). I had them both professionally installed by an auto electrician (recommended by JTM Auto). Within weeks, both have stopped working. Seller claims to provide 1 year warranty, but does not respond to any emails / phone calls etc... (believe me I have sent multiple emails) Save your money, save your time, avoid JTM Auto at all costs. JTM Auto = Bad business read full review »