Sharp alarm function: Power outage alarms are mainly used for power outage alarms. When an alarm is connected in parallel with an outdoor cable or meter, the product will immediately report to you if the cable is disconnected or the meter is damaged, providing a warning signal. dangerous. Excellent stable working ability: The flow automatic charger for the power outage alarm can use ordinary batteries and rechargeable batteries; when using rechargeable batteries, the standby time can be up to 10 years, which can prevent false alarms not detected by battery failure. Wide compatibility and application voltage: The exquisite design of the power outage alarm allows this product to be used for a long time under AC175V ~ 265V voltage. Compatible design can be used not only in urban areas, but also in suburbs where the voltage is less stable. The humanized design provides you with great convenience. Long standby time and durability: Power outage alarms use two batteries, ordinary GF22 battery and rechargeable battery. Ordinary batteries can be used for about 2 years, while rechargeable batteries can be used for a long time. Rechargeable batteries can be recycled for about 10 years. Wide range of applications: Power outage alarms are suitable for monitoring computer rooms, power distribution boxes, substations, household electrical wiring entrances, etc., and can place stolen electrical wires or appliances.