Byron Wireless Doorbell Set Twin Pack - Portable & Plug-In, 150m Range, 16 Melodies, White, New

Install your wireless chime system easily: both the button and the mobile chime are battery-powered. The second chime simply plugs into the socket of your choice. No wiring is required. Plug in the chime on the ground floor. The mobile chime will accompany you anywhere in the house and you won't miss a single visit. Choose from 16 melodies and adjust the volume to suit your needs (5 levels, up to 80-85 dB). An indicator light on the button tells your visitor that the doorbell has been activated. The waterproof wireless doorbell button runs on a CR2032 button cell battery (included, life: 3 years). The mobile chime uses 3 AA batteries (not included). The chimes communicate with the doorbell button via radio frequencies (433 MHz, open field range: 150 m). Expand your system by adding up to 6 buttons, on the back door, for example., Manufacturer: Byron