An understated, battery powered doorbell and portable chime with up to 50m wireless range. The IP54-rated waterproof push button simply installs against a door frame using the self-tapping screws provided. House numbers and names can be displayed on the removable name card, protected beneath a clear plastic cover. A simple ‘ding dong’ melody alerts users to visitors via a compact, lightweight chime that can be moved as required within a 50m operating range of the push button; ideal for large buildings and people with impaired hearing.Frequency: 433.92MHzvbCrLfRange: Up to 50mvbCrLfVolume: 65dBvbCrLfIP rating: IP54 (transmitter only)vbCrLfBattery : chime: 2x AA (not supplied)vbCrLfBattery : remote: 1x CR2032 (supplied)vbCrLfDimensions : chime: 120 x 46 x 24mmvbCrLfDimensions : remote: 94 x 36 x 18mmvbCrLfWeight : chime: 60gvbCrLfWeight : remote: 38gColour: White