This superior wireless doorbell is professionally manufactured for reliable performance. It boasts an impressive operating range of up to 100 meters in open air. Features include 32 sounds, 3 LED indicators on the receiver unit, and a waterproof transmitter that can be installed either indoors or outdoors.

• Transmitter power supply: battery (12V, 32A).
• Receiver power supply: 3 x AA battery (1.5V).