The +Treatlife Smart Dimmer Single Pole Wall Switch is a white, 4-pack of smart home compatible wall switches suitable for controlling lights with up to 400W of power. These app-controlled dimmer switches offer vertical orientation and can be mounted with screws. Made of plastic, these switches are designed for single pole, single throw (SPST) connection and feature a rectangular box shape. The smart dimmer switches are Wi-Fi compatible with Amazon Alexa for convenient voice control and provide waterproof resistance for durability in various environments. Ideal for light control applications, these dimmer wall switches offer a modern and efficient solution for your home electrical needs.