Features: Very convenient to use, simple wiring diagram. Supports up to 19pcs remote control. It can connect to the electronic control lock, light, electric curtain, etc. So that you can remotely unlock the door, close the light, open or close the curtain, etc. Super small body, and it occupies less space. The size of the receiver board is only about 3.5*3*3cm. The working mode can be changed by yourself: you can switch to three modes of momentary, toggle and latching according to your needs. Learning pair code: It can work with any remote control with the same frequency, so you don't have to worry about losing the remote control anymore. (If the remote control is lost, please buy one and match it with the PCB board.) Features: Input power: DC10V-14V Standby current: