Docooler 433Mhz DC Universal Remote Control Switch Relay Receiver Module Mini 1CH Wireless Control Switch + 5PCS 433 Remote Controls For Household Appliances Electronic Lock Control 1527 Chi

*Very convenient to use, simple wiring diagram connection way. Remote Control Switch, can through walls. *Support remote control up to 16 pieces. It can connect to the electronic control lock, doorbell, garage door, light, electric curtain, household appliances, motor control, system, etc. So that it can remote unlock the door, close the light, open or close the curtain,etc. *Ultra low power consumption, stable performance. Super small size, occupying very little space. The receiver board size is only about 4.3*2.4*1.7cm. *The working mode can be changed by yourself: you can switch to momentary, toggle, latching three modes as you need. *Learning pair code: it can work with any remote control with the same frequency, so you needn't worry about losing remote control any more. (If the remote control is lost, buy one and pair with the PCB board is OK.)