[Mini Body]Designed 59 x 42 x 20mm mini body, which is working with most of amounting boxes, switches.Support reset switch, touch switch, mechanical switch, speed control switch. [Mobile App control] Control the speed,switch, timing and other functions of the device through the mobile phone. [ Voice control]Support voice assistants such as , Google Home, etc., to realize functions such as switches and adjust speed [Remote control] It can realize the remote control of the fan by mobile phone, no matter where you are in the earth, as long as your mobile phone can connect to , you can control it [ Networking technology]One mobile phone can control multiple switches, switch can be controlled by multiple mobile phones at the same time [Sharing and security] The main account can be shared with other members of the family, and the functions and are completely retained and copied; security: [The neutral wire is required] [No required]Only need to connect to WiFi(2.4G only), you can remotely control the speed and switch of the bulb [Support reset switch, touch switch, mechanical switch, speed control switch.] [After is disconnected, the WIFI is activated again, the device connected to the module will automatically connect to your WIFI network ] Voltage: 85-250V, 50-60HZ Power: 5-150W WIFI standard: 2.4GHz(only) IEEE 802.11 b/g color:Black Material:ABS size:59 x 42 x 20mm Package Contents: 1 x Switch 1 x English Manual Only the above package content, other products are not included. 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.