... sensors, gas sensors, smoke sensors, beams, panic buttons and so on, 160pcs in total. 11.Send the SMS ... program, it is very easy and quick to be installed and operated 12. With inner back-up battery, when ... 12 hours.13. With output relay, can control the home appliance, like light, cooker and so on Technical ... a wireless door/window gap detector a siren, two remote controllers, a power supply, 1 manual ...