Home Power Failure AlarmHigh Volume Power Failure Warning Power Failure Detection Alarm Automatic Fault Alarm

Features: Power indicator: The power supply status of the grid can be seen at a glance. Alarm mode: It can whistle alarm when the grid is cut off or the power supply cable is cut, until the power is restored. High voltage resistant design: The professional circuit design can work at 260V for a long time, even if the grid voltage exceeds the standard in the middle of the night, it is not easy to damage. Monitoring voltage width: AC175V ~ 265V, a wider range of applications, not only for towns, but also for remote villages where power supply voltage is extremely unstable. Automatic charging: Built-in trickle automatic charger for both regular and rechargeable batteries. Battery life: Normal battery ? 2 years in standby state, rechargeable battery ? 10 years. Battery undervoltage alarm: Prevents false alarms caused by battery failures not being discovered. Replacing the battery: The drawer type battery cover switch is convenient and can be easily replaced. Specifications: Condition: Brand New Material: ABS Color: Shown as picture Battery model: DC9V (1 GF22 battery) Monitoring voltage: AC175V ~ 265V. Working voltage: DC9V (1 GF22 battery is not included). Alarm Volume: ?115 decibels. Working environment: temperature -30 °C ~ +60 ° Relative humidity: ? 85% RH. Package Weight: Approx.74g/2.6oz Package List: 1 * Power Alarm Sensor (Battery is not included)