Features:The power fail alarm has an exceptionally loud buzzer that produce a sound level 110-120 dB at 2 feet. Irregular beeping pattern can be heard even in loud industrial surroundings.Silencing and test button, multiple settings for different behaviors. It is the only power fail alarm with \'plug detection\'.
Specifications: Silencing and test button, multiple settings for different behaviors. Prevent the thief cut off power supply for theft and so on In the power supply under normal conditions! If there is a sudden power (power), the alarmwill sound the alarm to remind people.Automatic closing alarm function when power supply.Widely used in industrial and mining enterprises, organs, substation, freezers, livestock and industrial controls that cannot be without power. Alarm Time: Above 100 minutes(a manual switch)Conversion Time: Less than 0.3 secondsPower Supply: 9V laminated battery Monitoring of Power: AC 220V Alarm Volume: 120dB Dimension: 100 x 54 x 24mm Weight: 90gPackage Weight: 100gPackage Dimensions(L x W x H): 105 x 60 x 40mmAfter Sales Service: 1 Year offsite Warranty Package Include:1 x Power Failure Warning Alarm