doorchime set includes receiver and transmitter • frequency 433,92MHz • operating range up to 100 m in open area (depending on the conditions) • 36 melodies • push button with IP44 cover • sound is signalled optically on the transmitter • possibility to pair up to 16 buttons (memory can not be erased) • possibility of hanging on the wall • power supply: receiver: 3× 1,5V AA, transmitter: battery 1× 12 V (A23) (included) • dimensions: doorchime 135 x 70 x 25 mm, 79 g (without battery), pushbutton 34 x 92 x 18 mm, 33 g (without battery) • packaging: 1 pc ., blister