Hey man i got a M80 mongoose alarm installed there are alot of them about, i got one with exrta radiowave sensors in the cabin, its great. had no troubles and would recommend any mongoose M80 alarm I spent around 500 installed i think, cant memba exactly. I know that ya can get a extra that links up to it that has a sim card in it and will txt you n let you know if break in etc. it on the mongoose website Hope this helps dude.