Lianshi Failure Outage Alarm Warning power failure alarm for freezer Home AC220V power failure alarm
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Product description
- High sensitivity of voltage monitoring, input voltage range monitoring AC175V- AC265V.
- Can be used in conjunction with other alarm monitoring system, when the criminals attempt to cut off the power (to make monitoring or alarm system failure), the alarm immediately high alarm. Under normal power supply conditions! If there is a sudden power outage (blackout or trip), the alarm will alarm immediately. (Can be turned off to terminate the alarm,)
- The alarm can be turned off manually when an alarm occurs. When the switch is in the (H) position, the alarm volume reaches over 120dB. When the switch is in the (L) position, the alarm volume is as high as 60dB. The switch in the (OFF) position turns off the device.
- can use ordinary batteries DC9V , but also rechargeable batteries.The product does not charge the battery.Please note that this product does not provide batteries
- The indicator light does not light up when the alarm is in standby mode. When the device turns on the switch and there is no AC220V voltage in the plug, the alarm indicator light lights up and sounds an alarm until the switch is turned off or the battery is dead or the plug has AC220V voltage.
- The product requires you to purchase an additional DC9V battery (battery model 6F22). When installing the battery, be careful not to install the positive and negative poles of the battery upside down. If the battery is installed upside down, the device will not work (that is, when the device switch is turned on to disconnect AC220V, the indicator light will not light up and there will be no alarm sound. ).
- For reference, the new DC9V battery can last the alarm in the alarm state for 30 to 60 minutes, and it can be used in the non-alarm state for 6 to 18 months.
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