Description: Break/fault alarm The siren sounds an alarm when the power supply is interrupted until the power is restored The siren can be silenced via the on/off switch With indicator indicates the power status High voltage resistant, Method of use: connect the alarm to 220V power, turn on the power switch Size: 10 x 5.3 x 2.5 cm (approx) Cable length: 85 cm (approx.) Alarm volume: 120db Power: 9V battery (not included) Voltage: AC 220V White color