LinkMejor Power Failure Alarm, Gfci Circuit Failed Dector Alert Rechargeable

This is a plug-in power outage alarm. Immediately after a power outage, it emits a high-decibel alarm sound of 108 decibels, enough to wake you or your neighbors. You can monitor the power outage of your deep freezer the garage or basement, Sump Pumps, saving your property such as food. There are also power outage losses during a storm. Sewage pump, oven, fridge, automatic feeder, oxygen machine, dehumidifier, etc Both 110v and 220v circuits can be monitored.gfci trip alarm