Feature:1. Smart Warning: LED indicator shows power failure, fault alarm and power status, convenient for you to know the power situation.2. High Volume: The super high 120db alarm volume allows you to hear the alarm clearly, and ensures that users are aware of power outages right away.3. High Performance: Power failure alarm is designed to withstand high voltage, even if the supply voltage exceeds the standard.4. Unique Design: Drawer type battery cover design allows easy battery replacement, professional and practical design perfectly meets your use needs.5. Usage Scenarios: Widely used in industrial and mining enterprises, institutions, substations, telecommunication machine rooms, farms, breeding farms, etc.Specification:Item Type: Power Outage AlarmMaterial: ABSAlarm Volume: 120 dBBattery: 9V battery x1 (not included).Package List:1 xPower Outage Alarm