Power Failure Alarm 2 Pack for Freezer and Refrigerator - Loud 110dB

In this review of the Power Failure Alarm 2 Pack, the bottom line is simple: this is a practical tool for anyone who needs fast, unmistakable notification of a power loss to protect food, aquariums, sump pumps or HVAC systems. The reviewer found the alarm reliable at signaling outages with a combination of a bright LED and a loud siren, and appreciated the rechargeable battery and selectable tones that let households tune the alert to their needs. It suits users who want a plug-in monitor that does not occupy an extra outlet and who value a long-running backup alert.

Key Features

• Power outage detection: Alerts immediately with a combined LED flash and audible alarm when the connected circuit loses power so perishable items and equipment can be protected.
• 110 dB maximum volume: Offers a very loud alarm option to reach across rooms and be noticed even during noisy household conditions.
• 7 siren tones and volume control: Lets users choose among multiple ringtones and five volume levels so the alert can be matched to environment and preference.
• 12 hour backup sequence: Continues warning up to 12 hours with a repeating pattern of sound and LED flash so short outages and longer interruptions are both covered.
• Built-in rechargeable battery: Eliminates the need for disposable batteries and restores monitoring automatically when power returns.
• Extended socket passthrough: Plugs accept an appliance directly so the alarm monitors the same circuit without wasting an outlet.

Who It's For

This device is best for homeowners, caretakers of freezers and refrigerators, aquarium keepers and anyone with sump pumps or furnace systems where an unnoticed outage can cause damage or health risk. The loud 110 dB option and LED flash make it suitable for garages, basements and utility rooms where ambient noise can mask softer alerts.

It is less well suited to users who need a networked notification (text or phone) or those who prefer a battery-only unit that can be placed far from outlets; this product must remain plugged in to monitor a specific circuit and relies on the internal rechargeable battery only during the alert sequence.

Pros & Cons

Pros

• Strong audible alarm and LED flash provide clear, immediate warning of power loss.
• Multiple ringtones and volume levels offer flexible, user-friendly customization.
• Rechargeable battery and automatic reset reduce maintenance and follow-up work.
• Two-pack provides coverage for multiple circuits or appliances at a good value.

Cons

• Some users report mixed impressions of loudness and battery run time, so expectations should be tempered for borderline situations.
• Does not provide remote push or phone alerts; it is a local audible/visual monitor only.

Specifications

Product type	Power failure alarm / power loss monitor
Pack contents	2 x power failure alarms and user manual
Max alarm level	0 to 110 dB adjustable
Alert modes	LED flash plus siren, LED only, repeating 12 hour sequence
Battery	Built-in rechargeable lithium battery
Ringtones	7 selectable siren tones
Socket	Extended passthrough outlet to plug appliance into alarm

Our Verdict

The Power Failure Alarm 2 Pack is a solid, practical choice for anyone needing a straightforward local alert when a circuit loses power; it offers loud, customizable warnings, automatic reset and a rechargeable battery for low maintenance. For households protecting food, aquariums or sump pumps it represents good value, though buyers who require remote notifications should consider additional solutions.

Frequently Asked Questions

Will the alarm stop when power returns?
The unit releases automatically when the monitored circuit is re-energized and you can also press the cancel alert button to stop reminders manually.

How long will the alarm continue during an outage?
The programmed sequence will repeat for up to 12 hours using the built-in rechargeable battery, cycling between LED-only and combined LED plus siren.

Can I plug my freezer into the alarm?
Yes, the alarm includes an extended passthrough socket so you can plug a freezer, refrigerator or other appliance directly into the device while it monitors the circuit.