[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 ceiling fan wall switch installations (not for 3-way applications). A neutral wire is required. [Hands-free Voice Control] Works with Alexa and Apple HomeKit. [Remote Control & 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, operating at default 3-speed mode. "Power-on State" OFF: Fan requires manual restart after power is restored. App Control: On/Off, Speed Adjustment, Timer Functions Scheduling, Timer Settings, User Sharing Compatible with Apple HomeKit Notice: 1. This smart fan switch is not compatible with ceiling fans equipped with built-in remote controls. 2. Maximum load capacity is 2A (provides 5 speed levels). 3. Requires a 2.4GHz WiFi 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 (EU standard) Operating Temperature: -10°C to 45°C Wireless Standard: IEEE 802.11 b/g, 2.4GHz WiFi Wiring Type: Line + Neutral App Name: Tuya Color: Black 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 tolerance allowed: ±1–3 cm.