The Lutron RadioRA2 RD-RD-WH Remote Dimmer in white is a wall-mounted switch with a tap/touch style control. It is compatible with Lutron, Apple HomeKit, and Amazon Alexa for smart home integration. The dimmer operates on AC power with a voltage range of 101-120 V, and features wireless control, app operation, remote monitoring, and access. With a single pole design and ClariConnect protocol, this dimmer switch is a versatile and convenient addition to any home for adjusting lighting levels.