This product is a wireless switch supports inching /self-locking mode. Users can add the device to the APP Smart life in order to remotely control connected home appliances or devices.<br> In self-locking mode, customers can remotely turn on/off connected devices immediately.<br> When in inching mode, customers can have two wiring ways to select, and you can set the inching time in APP.<br> WIFi control model, no need to program. No matter where you are, you only need to download a APP to connect the wifi and control the cloud.<br> RF mode, you can control the board with RF433 remote controller.<br> Note:due to different production batches, there are differences in printing screen printing, which does not affect the use.<br> Colour:Green<br> Material:PCB<br> Package Contents:<br> 1 * Wifi Smart Switch<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.