This is a Doorbell like no other. The push button has no battery inside, you do not need to replace the battery at all, it works with No extra Power, Just a push of button . This newly invented door Chime has changed the idea of using a door bell, what you need to do is plugging the Doorbell on to any power outlet in the house, and set the push button near your door, you are all set, and you start to use the door bell. Never worry about the batteries in the Button or the Bell, so simple and easy ! Working range for 50 meters with no block, from the Chime Box, you have 25 melodies to select, 3 level of volume and mute. The built-in melodies are easy to select, just a push of button on the box.
- 25 ringtones, and the highest voice is 110 Decibels.
- Doorbell button life is more than 2000000 times.
- IPX7 certification. Transmitter continually works even in the water.
- Power of receiver is 0.2W.
- Superb anti-interference performance, and the crosstalk rate is 1:40 million
- Transmitter Works with self-self-generating electronic doorbell button but not battery. Its green and energy saving.