Automatic Single Phase Power Failure Alarm 120dB (HIS-PFA-001) 1. Specification of Automatic Single Phase Power Failure Alarm 120dB (HIS-PFA-001) AC 220V Power Failure Alarm White 120db Home Security LED Indicator Alarm Automatic Power Out/Failure Power Cut Warning 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 alar m 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 alarm will sound the alarm to remind people. • Automatic closing alarm function when power supply. • Widely used in industrial and mining enterprises, organs, substation, freezers, live stock and industrial controls that cannot be without power. • Alarm Time: Above 100 minutes(a manual switch) • Conversion Time: Less than 0.3 seconds • Power Supply: 9V laminated battery • Monitoring of Power: AC 220V • Alarm Volume: 120dB • Dimension: 100 x 54 x 24mm • Weight: 90g • Package Weight: 100g • Package Dimensions(L x W x H): 105 x 60 x 40mm • After Sales Service: 1 Year offsite Warranty Package Include: 1 x Power Failure Warning Alarm