Nexa MLR-1923/SET Wireless doorbell with separate receiver, Plug-in. Plug-in doorbell with blue LED indicator. In addition to functioning as a regular doorbell with a push button (push button sold as an accessory), it can also receive signals from a motion sensor and magnetic contact or remote control if desired. There are 6 selectable signals so that different transmitters can provide different ringtones. The sound level can be set to 4 different levels; High – Medium – Low – Silent. - Plug-in (220–240 V) - 32 memory slots - Easy installation - 6 selectable ringtones - 4 sound levels - Up to 150 meters range Specifications Power source doorbell: 220–240 V ~50Hz Protocol: System Nexa (433.92 MHz) Range: Up to 150 m Power consumption: < 1 W IP rating: Push button IP44 Doorbell dimensions (W x H x D): 59 x 100 x 37 mm Push button dimensions (W x H x D): 30 x 70 x 15.5 mm Product documents