Byron by Smartwares Wireless Doorbell, Plug-In, 230V - White

Byron DBY-23522. Product Color: Grey, White, Volume: 85 dB, Best Uses: Home. Connection technology: Wireless, Frequency: 433.92 MHz, Maximum range: 175 m. Power source type: AC, Battery, Voltage: 220 V, Power: 120 W. Packaging type: Box. Number of batteries included: 1 piece