Wireless Doorbell,Waterproof Doorbell Chime Door Bell Kit with 55 Melodies 5 Volume Levels LED Flash Doorbells for Home- Black (1 Button + 1 Receiver)

300 M RADIO WIRELESS COVERAGE: the strong and stable wireless signal anti-interference with other devices in your or your neighbours' home, ensure that you're never to miss a visitor, even if you're a few rooms away or on another floor 55 CLEAR SOUNDS TO SELECT: The plug-in receiver offers rich and clear sound; 5 adjustable volume levels with a maximum volume of 110 dB; Different 55 melodies to meet various needs, the default is Ding Dong HIGH-PERFORMANCE TRANSMITTER: Ultra-low power consumption; the bell button operates 12V 23A batteries, which have up to a 3-year lifespan. IP55 dust and water protection level, operates in temperatures between -30 °C to 70 °C ensure it can withstand the harshest weather conditions EASY TO INSTALL & EXPANDABLE: wireless bell set can be easily installed by attaching the bell button to a wall without wiring; You could install it anywhere inside, for home, garden, office，store, mailbox etc.Weight: 200g