My house Semi-D type...so many tingkap there..and for my Paradox alarm system, suplier only install Shock(18 units),Magnetic(5Units) and motion sensor(1Unit only), total price RM1.5K (all wiring conceal type)....and he gave me a catalouge about paradox where i can add-on it in future (Photo Sensor/Smoke/Glass/ etc...)

also paradox can communicate throuh Phone/GSM/Internet where it will call u once alarm triggerd....