AITENG V026G Life Waterproof Battery-Free Wireless Doorbell

• No more worrying about battery replacement with this innovative battery-free wireless doorbell
• Transmitter converts kinetic energy into electrical signal, ensuring continuous functionality
• No need for battery or power line to charge the transmitter, making it convenient to use
• Transmitter can withstand high and low-temperature environments, made of durable ABS plastic
• Waterproof transmitter that can withstand heavy rain, ensuring long-term reliability
• Receiver made of inflaming retarding and environmentally friendly ABS plastic
• Long wireless transmission distance up to 130 meters in open field
• Easy installation with options for wall mounting or adhesive pad, and receiver insertion into power socket
• Choose from 38 different polyphony ring tones for personalized preferences