... with LED light 1.SMS set command 2.10seconds voice message 3.24 defense zones 4.CE Emergency alarm system with LED ... , such as PIR detectors, door (gap) sensors, gas sensors, smoke sensors, beams, panic buttons and so ... and quick to be installed and operated13. With inner back-up battery, when the power is ... output relay, can control home appliance,such as light, cooker, air-conditioner and so on.15. ...