TREATLIFE Smart Ceiling Fan Control and Dimmer Light Switch 2Pack, Neutral Wire Needed, 2.4GHz Single Pole Wi-Fi Fan Light Switch Combo Works with Alexa, Google Home and SmartThings, Remote Control

Notes Before Buying: Switch dimension: 4.14″*1.73″*1.34″. Works with 2.4GHz Wi-Fi only (5GHz not supported). Requires neutral, line, ground, fan load, and light load wires in the wall box. Your existing switch must have separate wires for the fan and light, and a neutral wire is required (some homes built before 1978 may not have one). No hub or canopy module is needed
Compatibility: Designed for single-pole installations only (not 3-way) and does not support multiple dimmers on the same circuit. Not compatible with ceiling fans that have built-in remote controls, Bluetooth, or Wi-Fi systems, DC motor fans, exhaust fans, or smart bulbs. Supports a maximum fan load of 1.5A with 4 fan speeds, and a maximum light load of 150W for dimmable LED/CFL or 300W for incandescent bulbs
Lights Brightness and Fan Speed Control: Adjust fan speed and dim your lights from anywhere using the Smart Life App or Treatlife App. This 2-in-1 smart fan and light switch combo provides 4 fan speeds with smooth, non-flicker brightness dimming (10%-100%) for increased comfort. Gentle On & Off Lighting for comfortable visual effect