The Leviton D215S Decora Smart Wi-Fi Switch 2nd Gen is a wireless electrical switch that allows for on/off operation. It features a sleek white design with a rectangular box shape and a decorator/rocker switch style. This smart switch is compatible with various smart home systems such as Apple HomeKit, IFTTT, Google Home/Assistant, and Amazon Alexa, making it a versatile and convenient addition to any home for controlling electrical outlets remotely.