Doorbells Self

Specifications Operating voltage receiver AC 100 240V transmitter Kinetics power generationPower consumption 0 25WWireless frequency 433 MHzOperating temperature 10°C 45°CRingtone volume 50dB 1m more→Wireless distance 150 meters open area Receiver size 66x50x60mmTransmitter size 70x46x20mmFeatures 1 The transmitter is powered by pressing and does not require batteries for life making it green and environmentally friendly2 90 decibels high volume four level volume adjustment can be set to mute3 Simple appearance mini and compact round and cute4 The transmitter is not afraid of water and can be installed outdoors or in a washing room5 38 ringtones to choose from pleasant and melodious w…