N15K-1T1-B 110dB Wireless IP55 Waterproof Low Power Consumption WiFi Doorbell Receiver with Night Light , 53 Music Options, Receiver Distance: 300m

1. Flat panel, no dust, easy to clean.
2. Touch the transmitter for more than 100,000 times.
3. New ABS flame retardant shell, precision parts, patch technology.
4. Signal penetration up to 300 meters.
5. Adjustable music, easy to install and use
6. Ultra-low energy consumption, wireless installation, convenient and quick.