Wireless doorbell home wireless doorbell with receiver and transmitter wireless mini waterproof dustproof household doorbell White

Color: black and white Self-powered wireless doorbell kit, 1 transmitter, 1 receiver, screwdriver and mounting accessories. þ Specification: Transmitting power: <10mw Receiver working voltage: AC 100-240V 50Hz Receiver volume: 25-85DB (4 levels of volume adjustable) Number of ringtones: 38 (songs) Receiver power: 3W (working), 0.5W (standby) Working frequency: RF 433MHz Working range: 200M (open conditions) þ Self-powered wireless doorbell without battery With modern new technology, lightly press the transmitter, the doorbell generates electricity. It can operate well, does not require battery-assisted transmission, self-generates, does not need to replace the battery, saves costs, and is more environmentally friendly and convenient. þ4 levels of volume and 38 beeps The two buttons on the side of the receiver can easily adjust the volume and tone. You can choose 38 kinds of music at will to ensure you find the music you like. The receiver’s built-in stereo speakers provide clear sound, with a balanced sound of up to 85 dB, loud enough to be heard in other rooms, even for people with hearing impairments. In addition, you will never miss any guests or packages. þ Suitable for various environments Thanks to its sturdy weatherproof and dustproof enclosure and long working range, this wireless doorbell kit is very suitable for almost all places from homes, apartment buildings, classrooms to office buildings.