Havells Wireless Door Bell Black - Product Features
- Digital Wireless doorbell receiver with one battery-operated transmitter
- Weatherproof transmitter Receiver with LED flashing indicator 25 sounds
- 3 Volume level (high/mid/low)6Remote control range up to 100 meters in the open air
- Transmitter operated by one pc 12V 23A battery
- Receiver operated by alternating current(AC) Working radio frequency: 43392MHz