1WiFi wall fan switch with high quality material and beautiful appearance, durable in use. 2Support for speed control, timing control and group control through smart phone, practical to use 3Support for hands-free voice control, it is compatible for Amazon Alexa and for Google Home to control your ceiling fan 4Free adjustment speed, stepless speed regulation, control fan speed from 0-100%. You can control it manually via the phone app or voice 5Timing function, full control of your fan according to the 7 days schedule timer. You can program it to plan the exact time when the fan is automatically turned on/offFeatures: WiFi wall fan switch with high quality material and beautiful appearance, durable in use. Support for speed control, timing control and group control through smart phone, practical to use. Support for hands-free voice control, it is compatible for Amazon Alexa and for Google Home to control your ceiling fan. Free adjustment speed, stepless speed regulation, control fan speed from 0-100%. You can control it manually via the phone app or voice. Timing function, full control of your fan according to the 7 days schedule timer. You can program it to plan the exact time when the fan is automatically turned on/off. Specification: Condition: 100% Brand New Material: Tempered Glass Use: Fan Speed Switch Type: UK Standard Voltage: 110-240V AC/50~60Hz Support for Transport Protocol: 802.11b/g/n Load:Transmission Protocol: 802.1Ib / g / n Mechanical Life: 100,000 times Rated Load: 60-300W Product Size: Approx. 8.5 x 8.5 x 3.5 cm / 3.3 x 3.3 x 1.4 in Weight: Approx. 204g / 7.2 oz Package List: 1 x Fan Switch 2 x Screw 1 x User Manual Note: 1. Please allow 0-2 cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3. Only control the ceiling fan, you cannot control the fan light. Press the "Decrease" button for 20 seconds to enter the fast flash mode reset. Need a neutral line.