Features:
* Alarm: without connecting to host, independent automatic alarm linkage control.
*linkage Alarm Delay: It can linkage 12-220V products, such as infrared detector, smoke sensor, gas sensor, switch, etc.
* Support 2CH: It can access 2 channelequipment, like controlling lights & other electric appliances.
* Easy to Install: Very convenient to use, simple wiring diagram connection way.
* Super Design: Small size, does not take up too much space, made from ABS material, good quality & stable performance.