220V Automatic Circuit Reminder, Cold Storage Aquarium Power Outage Alarm, Breeding Farm Machine Room Power Outage Alarm

220V Automatic Circuit Reminder, Cold Storage Aquarium Power Outage Alarm, Breeding Farm Machine Room Power Outage Alarm Alarm product features: 1. It can be used in conjunction with other alarm monitoring systems. When criminals to cut off the power (causing the monitoring or alarm system to fail), this alarm will immediately sound a high pitched alarm 2. Under normal power supply conditions! If there is a sudden power outage (power outage or trip), the alarm will immediately sound an alarm to remind. (The alarm can be terminated by turning off.) The alarm will be immediately terminated when power is restored, and the alarm conversion time is 0.5 seconds 3. Alarm power supply: 1 6F22 9V battery (not included) 4. Monitoring voltage: AC150v-400v, 50-60Hz (designed to withstand high voltage) This product can be used for 220 power 5. Alarm volume: 120 decibels. (The sound volume is similar to that of some electric vehicles' built-in alarm systems) 6. Built in automatic trickle charging (can effectively battery self discharge during standby), can be used with both regular and rechargeable batteries. (The battery does not consume power when in standby mode) 7. Not suitable for high temperature environments above 60 degrees Celsius Including: 1 * power outage alarm

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