Tuya smart Jog Inching Self-locking WIFI Wirele Smart Home Switch Remote Control with Alexa This product is a wirele 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.In self-locking mode, customers can remotely turn on/off connected devices immediately.When in inching mode, customers can have two wiring ways to select, and you can set the inching time in APP .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.RF mode , you can control the board with RF433 remote controller. Note: Please make sure to select the right model before buying ,or leave us a meage before Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.