【Great design】433Mhz RF wireless remote control switch.Stable and reliable performance with high reception sensitivity (>97dbm). Strong signal can pass walls, floors, doors.It can be controlled within 50 meters distance with no obstacle. 【Easy to use】Extremely easy to set up and reset. There are 3 operating mode(momentary/toggle/latched mode) can be chose.You can easily set up by yourself depends on your needs. The operating mode of the product is adjustable.These product are tested before shipping, and they are all set up in toggle mode. 【More Flexibility】 This receiver contain 2 relays, and there are 3 terminals(normally open, common, normally closed) for each relay.This 2 relays are independent, so that you can remote control each of them independently by pressing the remote button. Each receiver can store about 20 transmitters. And 1 transmitter can control multiple receivers too( the transmitter need to match with receiver ). 【Quality Assurance】High-quality relay that can be used over 100,000 times.Let this product is more long-lasting and stable to use.The blue high-power terminal can withstand a current of 10A, so that this product can have a good effect even when the current is unstable. 【Wide Application】Products can be used in homes, farms, factories, offices, laboratories, supermarkets and so on.You can remotely operate every device connect with the relay receiver through the remote control. such as, garage door, electric door, shutter door, expansion door and electric curtain, fan, Lamp, lighting, ventilation device, Signal transmission and so on., Manufacturer: DieseRC