Power Failure Alarm, 220V LED Indicator Smart 120db Wall Mounted Automatic Power Cut Failure Alerter Outage Alarm Warning Siren

Price: $16.99 - $15.99
(as of Feb 26, 2023 00:57:25 UTC – Details)

Sound and Light Double Alarm: The power failure alarm adopts sound and light double alarm device, with a high loudness of up to 120 decibels.
Adjustable Sound: There is an adjustable potentiometer on the back of the power failure alarm, which can adjust the size of the alarm sound, clockwise to increase, counterclockwise to decrease, very convenient.
Built-in Battery: The automatic power-off fault alarm adopts a non-rechargeable carbon battery, which does not consume power in standby. This kind of battery is easy to store and can be used for several years.
Wide Range of Applications: Wall-mounted alarms are designed to withstand high voltage, and can work normally even if the power supply voltage exceeds the standard.