Knightsbridge 58 Melody Battery Operated Portable and Wireless Door Chime Knightsbridge 58 Melody Battery Operated Portable and Wireless Door Chime Wireless battery powered doorbell solution. Simply place the receiver in the desired location and mount the bell push by your front door. 58 ringtones to choose from Volume control – up to 110dB Eye catching visual alert when doorbell can’t be heard Hassle free installation, no running any wires Learning code prevents interference from other wireless transmitters Additional plug in receivers or bell pushes can be added if desired Working Frequency: 433MHz Working Temperature: -20 – 50° C Receiver IP44 rated receiver Battery powered requires 3 x AAA batteries (not included) Wall mountable or free standing Power consumption: less than 0.3W Range of approx. 150-200m* Bell push IP55 rated bell push Includes fixing for mounting Battery powered requires 1 x 12V 23A battery (included) Power consumption: less than 10mW Range of approx. 150-200m* *dependent on environment
