EMOS P5730 Wireless, doorbell Set with Bell Button and 2 receivers, 52 melodies, 180 m Range, 5 volumes up to 90 dB, Battery Operated, White

Transmitter + 2 receiver kit (button + two rings) with self-learning function: bell and bell button are automatically paired to the frequency 433 mHz. No interference with the neighbour's system The range of the waterproof button is 180 metres. 1 x A23 battery for the power supply of the bell button is included Two receivers with LED diode are powered by 3x AAA micro batteries each. They can be easily attached to the wall with included adhesive pads or screws. Perfect for larger houses, multi-family houses, garden, garage or workshop Memory function: even after the power failure, all your settings are saved and set automatically 5 LOUDS UP TO 90 dB ADJUSTABLE LEVEL: 100% - 75% - 50% - 25% - 0%. Selection of 52 different melodies Visual signal on the bell as well as on the button. Can also be used as a pager or emergency call system for the elderly, pregnant women, patients or children.