I need some suggestions for a simple alarm..I dont need all these back up sirens, extra batteries, perimeter sensors, etc..I just want one that WONT FALSE, and will got off if windows get broken or if someone REALLY tries to get in..I dont want an alarm that if you fart near it will go off like every alram out there...thanks...no dissrespect to people that have all that, I just dont need all that....my brothers car has gotten broken into twice infront of his house and we need something to just make some noise so he will wake up or at least scare the thieves....the keep breaking in by shattering the drivers side window.....thanks