Leviton WSS0S-H0W Hotel Key Card Switch, White Save energy and money: When entering a room, a guest inserts a Key Card to make power available to selected devices; when leaving, the guest removes the Card to set devices in the room to an energy-saving "unoccupied" mode Energy-saving hotel room controls: Occupancy-based control of lights and devices, integrated HVAC and lighting control, and optional master ON/OFF controls Simple wireless control systems: Control unlimited Receivers within range, control all or only selected devices in a room, use with most room key cards Color: White For commercial applications