The smart ceiling fan switch is not compatible with fans that have a built-in remote control system. Maximum load: 2A (supports 5 fan speed levels). Requires a 2.4GHz Wi-Fi network (not compatible with 5GHz). Designed for single-pole ceiling fan wall switch installation only (not for 3-way wiring). A neutral wire is required. Hands-free voice control: Works with Alexa and Google Assistant. Remote control & scheduling: Control the ceiling fan via the mobile app. Set timers or countdown schedules to automatically turn the fan on or off at specific times. Power-on state setting: Configure the default behavior after power recovery via the app: - Power-on State ON: Fan turns on automatically after power is restored, defaulting to speed level 3. - Power-on State OFF: Fan remains off after power restoration and must be manually turned on. App features: On/Off, speed control, timer, scheduling, and sharing. Compatibility: Works with Alexa and Google Assistant. Important notes: 1. Not compatible with fans that include a built-in remote control system. 2. Maximum load is 2A (supports 5 speed levels). 3. Requires a 2.4GHz Wi-Fi network (not compatible with 5GHz). 4. Neutral wire is required. Specifications: Model Number: Smart WiFi Fan Switch Mechanical Life: ≥10,000 cycles Product Name: Smart Rotary Ceiling Fan Switch Max. Power: 250W Dimensions: 86 x 86 x 45 mm Operating Temperature: -10°C to 45°C Wireless Standard: IEEE 802.11 b/g, 2.4GHz Wi-Fi Wiring Type: Live + Neutral Compatible App: Tuya Smart Color: Black Material: Plastic Package Includes: 1 × Smart WiFi Fan Switch Note: Color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.