Thank you for viewing. This item is brand new and unused. Brand: OHM Color: White Voltage: 240 volts Product Dimensions: 33 length x 26 width x 84 height mm Wattage: 3000 W Included Components: Mounting screw x 1 (for receiver), mounting screw x 2 (for transmitter), double-sided tape x 1 (for transmitter), identification sticker x 1 set Wireless chime, a set of door sensor transmitter and battery-powered receiver Detects the opening and closing of a door and notifies you with sound and a light flash in a remote location (operating distance: approx. 100m / line of sight, in an environment without obstructions) For use between the entrance and a room, at a reception desk, for calling in a store, and for caregiving at home. Up to 4 transmitters can be set to one receiver. 8 different call sounds (can be set for each transmitter)