About This

Simple and Easy Installation: Just plug in the power outage alarm into any 100-240V socket or power cable and easily monitor the power supply to your basement freezer, fridge, pump, oxygen generator, CPAP, or aquarium
Multiple Alarm Methods: Accompanied by a 108 dB noise alert and a bright tri-color flashing light with various adjustable tones and volumes to ensure you are notified of power issues
Voltage Abnormality Monitoring: Features an LED strip to indicate the voltage status where green indicates normal voltage, red indicates high voltage, and blue indicates low voltage
Battery Powered Operation: Uses 3 AAA batteries (not included) with 2 years standby time and 72 hours continuous alarm capability, with items featuring built-in rechargeable batteries available under B0BFNSHH65
Cost-Effective Protection: The 110v or 220v circuit tester reduces losses when you experience power outages, surges, or electrical accidents by providing immediate alerts
Versatile Monitoring Applications: Monitor power supply to critical appliances including sump pumps, refrigerators, freezers, CPAP machines, oxygen concentrators, dehumidifiers, and automatic feeders to prevent property damage and equipment failure