High voltage resistance design: Functions properly even when power voltage exceeds standard (AC175V265V)
Power failure alarm: Sounds alarm until power supply is restored, manually silenced via on/off switch
LED indicator: Shows power failure and power condition for easy monitoring of current power supply status
Wide applicability: Suitable for industrial and mining enterprises, substations, telecommunication machine rooms, farms, aquariums, and laboratories
Battery-powered (9V): Features a drawer battery cover for easy *************************************************************, requires 9V battery (not included)