Raguso DC12V 4-CH 433MHZ Garage Door Control Module Unit Wireless Garage Door Up and over Security Garage Door Electric Roller Shutter with Remote Controller

【IDEAL SPARE PART】It has 4 relays which can the equipment turn or reverse, on/off and so on come true, it allows you to clone 2 extra remote control fob to your family or just for alternate. 【STRONG SIGNAL】Strong which can pass through walls, floors and doors, control receiver from any place within a distance, won't bother your using it when you' re far away for doors. 【MULTIPLE WORKING MODE】3 modes including inching self-locking interlock, can be used for DIY garage door opener and other home appliance.You can set working mode by channel, and rename each channel. 【MULTIPLE USING SITUATION】Trigger on/off by temperature, humidity or other environmental conditions, supports timing function. It covers application ranging from like auto door, window, lifting equipment, entrance access, to security etc. 【WIDE FITTING RANGE】It can learn 2272 2262 or 1527 chip with the different code wireless 433MHz remote control, any controller fits this demand, can be directly used as spare parts.