[Capabilities Requirement] The smart ceiling fan switch is not compatible with fans that have a built-in remote control system. Maximum load is 2A (supports 5 fan speed levels). Operates only on 2.4GHz WiFi networks (not compatible with 5GHz). Designed for single-pole installation only (not for 3-way applications). A neutral wire is required. [Hands-free Voice Control] Works with Alexa and Google Assistant for voice control. [Remote Control and Scheduling] Control your ceiling fan remotely using the app. Set timers or countdown schedules to automatically turn the fan on or off at specified times. [Power-on State Setting] Customize the power-on behavior via the app: "Power-on State" ON: Fan automatically turns on after power is restored, running at default 3-speed setting. "Power-on State" OFF: Fan remains off after power restoration and must be manually turned on. App Control: On/Off, Speed Adjustment, Timer Settings Scheduling and Timer Functions User Sharing Capability Compatible with Alexa Compatible with Google Home Notice: 1. This smart fan switch is not compatible with ceiling fans that have a built-in remote control. 2. Maximum load capacity is 2A (supports 5 speed levels). 3. Requires a 2.4GHz Wi-Fi network (does not support 5GHz). 4. Installation requires a neutral wire. Specifications: Model Number: Smart Wifi Fan Switch Mechanical Life: 10,000 cycles Product Name: Smart Rotary Ceiling Fan Switch Maximum Power: 250W Dimensions: 86 x 86 x 45 mm Operating Temperature: -10C to 45C Wireless Standard: IEEE 802.11 b/g, 2.4GHz Wi-Fi Wiring Requirements: Line and Neutral App Name: Tuya Color: White Material: Plastic Package Contents: 1 x Smart Wifi Fan Switch Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting effects and display settings may cause slight color variations between the product image and actual item. Measurement tolerances may vary by 13 cm.