[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 suitable for 3-way applications). A neutral wire is required. [Hands-free Voice Control] Works with Alexa and Apple HomeKit. [Remote Control & Schedule] Control your ceiling fan remotely via the app. Set timers or countdown schedules to automatically turn the fan on or off at desired times. [Power-on State Setting] Customize power-on behavior through 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 requires manual restart. App Control: On/Off, Speed Adjustment, Timer Function Scheduling, Timer Settings, User Sharing Compatible with Apple Home 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 Wi-Fi network (does not support 5GHz). 4. Neutral wire must be present for installation. Specifications: Model Number: Smart Wifi Fan Switch Mechanical Life: 10,000 cycles Product Name: Smart Rotary Ceiling Fan Switch Max Power: 250W Dimensions: EU 86x86x45mm Operating Temperature: -10C to 45C Wireless Standard: IEEE 802.11 b/g, 2.4G WiFi Wiring Type: Live + Neutral App Name: Tuya Color: Black Material: Plastic Package Contents: 1 x Smart Wifi Fan Switch Note: Light reflection and display differences may cause slight variation in color between the image and the actual product. Measurement tolerance: +/- 1-3cm.