ENDMAN Power Failure Alarm for Freezer Alarm, Power Outage Alarm,Power Loss Alarm with Rechargeable Battery (Included) >95dB

Refrigerator/Freezer Power Outage Alert Set

Power Failure Alarm with LED Indicator, 120db Alarm

Automatic Power Cut Failure Outage Alarm with LED Indicator and 120db Siren Power Failure Alarm Powered by 9V Battery : : Electronics

With the generator manual transfer switch, you can quickly and safely switch from the mains power supply to the generator smoothly during a short power outage, preparing for the next power outage. Size: ‎4.41 x 4.41 x 3.7 inches.

Briidea Power Failure Alarm with LED Indicator & 120dB Siren, Powered by Rechargeable Battery (Included), Perfect for Monitoring Refrigerators

Refrigerator/Freezer Power Outage Alert Set

This ACCUCOLD power-failure line cord has a built-in power failure sensor with an 80dB loud audible alarm. It is intended for monitoring essential

Summit Accucold PF1Kit Power Failure Alarm Cord, 80dB Loud Audible Alarm, LED Indicator, Perfect for Monitoring Refrigerators, Freezers, Sump Pumps

Ciglow Automatic Smart PowerOff Alarm 120dB AC 220V Power Cut Failure Outage Alarm Warning Siren Power by 9V Battery (Not Included) for Home

Power Failure Alarm, RTU5028 GSM Wireless Circuit Fault Short Circuit Condition Monitoring Alarm(US) : Electronics

[High performance of the product] High voltage monitoring sensitivity, input voltage range monitoring: AC85V-AC265V-50 ~ 60Hz. [Good compatibility] It

Kaiheng Power Failure Alarm 120db Automatic Power Failure Alarm, LED Indicator Smart Power Failure Alarm Siren for Home/Office/Store, Requires 9V