This is a wireless doorbell that comes with a waterproof transmitter. It is finely designed to deliver reliable performance with high stability. The high-quality materials gives it an extra-long lifespan.

• Waterproof transmitter: IP44.
• Good quality.
• Double Dingdong/west minster.
• Additional transmitter or receiver is available.
• Remote control distance: 500m (free area).
• Transmission frequency: 433.92MHz.
• Transmitter: 1 x 12V 23A battery.
• Receiver: DC3V (1.5V AA x 2 batteries).