REARAND Wireless Doorbell Chime Waterproof Door Bell Kit，Operating at Over 450 Feet Range with Over 50 Chimes， No Batteries Required for Transmitter &Receiver[Product Information]- Wireless doorbell system with1 transmitter and 1 receiver.Transmitter sensor can be installed on the door.
- No Batteries Required for transmitter button&Receiver.Self-Generating Power: No batteries required at all even the transmitter. Just easily set it up within 10 minutes and never have to worry about it anymore. Do not have to uninstall the transmitter when battery is exhausted every year comparing to traditional wireless door bells.
- Weatherproof: Premium-grade IP44 material and sealing technology ensures its perfect performance in outdoor environment. Work great even in rain， snow or minus temperature weather.
- Over 50 Chimes included 4 levels adjustable volume ，you can Pick one you like from modern to old fashioned chimes.up to max 110 dB.
- Remote control range up to 450 feet in open area， suitable for commercial space and offices. They also work well for large homes or villas.
