Featured here is a wireless doorbell with self-learning function. It is powered by kinetic energy and needs no batteries to work. This sleek and modern doorbell is easy to install and use.

• No battery.
• No wire.
• Reduce battery usage.
• Three volume levels.
• Sleek and functional design.
• Two-pinned plug.
• Easy installation and use.
• Endure high and low temperature.
• Waterproof.
• Anti-sunshine.
• No need to worry about the crosstalk.
• Built-in 32 bit code in every button.
• 2^32 codes in total, crosstalk rate is only 1/2^32.
• Self-learning system.