About This [2025 Upgrade 120dB Power Failure Alarm & Real-Time Voltage decection] Triggers a 120dB alarm (drill-level loudness) and multi-color LED alerts only during power outages (NOT for security/intruder detection). Monitors voltage 24/7: Green (safe 110-125V), Red (over 125V), Blue (under 110V). Automatically alarms every 60 seconds if outage persists, preventing freezer food spoilage or protect life and property. [Exclusive for Home Power Outage (Non-Security Use)] Designed solely for power loss protection of Basement, Garage and Home. Offers 6 alert tones (beeps/buzzers, not sirens) and 4 volume levels. Silent mode disables sounds but keeps LED flashing, ideal for quiet environments like bedrooms. [12H Backup & Auto-Recharge via Standard 15A Outlet] Built-in battery alarms for 12 hours during outages (intermittent 15s/60s beeps, not continuous noise). Plugs directly into 15A household outlets (NOT 20A/industrial) without blocking neighboring sockets. Fully recharges within 4 hours after power restoration. [Safe GFCI Outlet Design with Surge Protection] Compact size fits standard outlets (US 110-125V). Child-safe shutter blocks accidental shocks. 350J surge protection shields connected appliances from voltage spikes. Not compatible with Bluetooth systems, WiFi. [After-Sales Service] If you find that the 3-pronged head cannot be fully inserted into the alarm after receiving the product, please contact us for exchange or return. The package includes 1 X power failure alarm and a user manual. We are online in 7*24h, if you have any product problems please get in touch with us for prompt assistance or a replacement if needed. Overview Color : White Brand : yomishine Power Source : Battery Powered Compatible Devices : freeze, freezer, fridge, oxygen generators, refrigerator Product Dimensions : 3.54"L x 2.1"W x 1.94"H
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