Wireless Doorbell, Emos, 180 m max, 52 melody, 90 dB, 1 × 12 V A23 / 3 × 1.5 V AAA, 433 MHz

Wireless Doorbell set includes receiver and transmitter • frequency 433 MHz • operating range up to 180 m in open area (depending on the conditions) • 52 melodies • sound is signalled optically on the receiver and transmitter • adjustable volume • power supply: receiver:3× 1,5 V AAA, transmitter: battery 1× 12 V (A23) (included)