[Wide Application] Electric projection screen, electric garage doors, electric rolling door, electric rolling shutters, etc. [Receiver control device] The receiver control device is characterized by high confidentiality, large storage capacity, stable performance and low power consumption. [With a remote control (transmitter) holder]Wireless control, Very convenient and convenient to use.You can turn on/off the receiver with the transmitter (remote control) from anywhere which place at a reliable distance. [Pair Code Learning] It can work with any remote with the same frequency, so you don't need to lose the remote anymore. (If the remote control is lost, please buy one and pair it with the circuit board.) [Super small body]Easy to use, super small body, does not take up too much space. Product Description Wireless remote control, support wide range Remote control distance up to 100m (open area). You can turn on/off the receiver with the receiver. transmitter (remote control) from any