Power Failure Alarm Detector 100v-220v, 2pcs Outage & On Alert, 118db Siren,. Topvico Power Failure Alarm Detector – 118dB Siren & LED Alert Stay Prepared and Alerted with the Topvico Power Failure Alarm, an Essential Device Designed to Notify You of Power Outages and Restorations. This Versatile Alarm is Perfect for Homes, Medical Facilities, and Laboratories Where Maintaining Power is Crucial. Key Features: - 118dB Loud Alarm: Emits a Clear and Powerful Alert Sound, Ensuring You Are Quickly Informed of Any Power Status Changes, Even in Large or Noisy Areas. - Dual Alert System: Provides Distinct Alerts for Power Failure and Restoration, with an LED Indicator for Added Visibility. - Continuous Monitoring: Automatically Detects Voltage Changes Between 100V and 220V, Triggering Alerts for Both Outages and Power Returns. - Manual On/Off Switch: Easily Silence the Alarm Once Acknowledged, Allowing for Convenient Management. - Energy Efficient Design: With a Smart Alert System, It Conserves Battery Life by Alternating Between Sound and Pause Cycles. - Versatile Applications: Suitable for Use in Freezers, Hospitals, Factories, and More. - Plug Options: Available with EU, US, AU, or UK Adapters, Shipped According to Your Country. - Durable Build: Constructed from High-quality ABS Material for Reliability and Longevity. - Function: Power Off/on Alarm - Detect Voltage: 100V - 220V - Alert Sound: 118dB - Power Supply: 1 X 9V Battery (not Included) - Material: ABS - Color: White Ensure You Never Miss a Critical Alert with the Topvico Power Failure Alarm, Designed for Efficiency and Peace of Mind..