you can try cisco or adt. u can hav a mixture of motion sensor and door contact to get your house secured. my parents bought a terrance and for 2nd n 3rd floor its quite easy to access so all the windows are contacted but the staircase leading to the attic, we place a motion sensor so that in the event of theft when the theif walks dwn fr the stairs to the 3rd floor the motion sensor will detect movement. 1st storey we juz contact all the door. those folding window, didnt bother to hav shock sensor coz living area also fitted wif a motion sensor. overall wif 2 repeater the job is abt 3.8k wif a contract period of 36mths. hse is secure wif ADT. actually both cisco homesafe and ADT package is gd. veri hard for mi to explain in the thread. if you would like to noe you, pm mi and talk thru the phone easier.