... products designalarm system,security alarm system,burglar alarm,wireless alarm.We provide home alarm system,burglar alarm ... package:one host alarm, one wireless infrared detector, two remote controls, one magnetic door sensor, one siren, one DC power ... AC220V/DC9V optionaldetection of distance of wireless infrared detector: 8-10mpower of magnetic door sensor: 100mWMain engine working frequency: 315- ...