Matter Protocol: Under the Matter protocol, it can easily manage your lights from anywhere through multiple smart APPs, providing flexibility Voice control: Use voice commands to easily control your lights and experience hands-free material: Made of high-quality material to service life and reliability Timing function: Schedule your lights to turn on or off at specific times, adding convenience and energy saving to your home Concave glass design: Adopting concave glass panel, it fits the curve of fingertips and provides a smoother and more comfortable touch experience Voltage:90V-250V, 5060Hz Maximum current:10A/channel; total 10A Wireless protocol:Wi-Fi 2.4GHz Maximum radio transmit power:Less than 16dbm (The product printed words depending on the batch, but this does not affect use) Specification:A:4 gang Color: As Shown Material: PC Flame Retardant Package Contents: 1 x Tuya Matter Smart Light Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.