Description AC Voltage Detector | Total Tools CanadaAC Voltage: 12V~1000V(High sensitivity)48~1000V(Low sensitivity)Frequency: 50/60HzAlarm mode: Sound and light alarmFlash light : White LEDLow battery indicationAuto power offSwitchable battery coverAuto distinguish the Live line and Netural linePacked by double blisterWeight: 9.68 lbsDimensions: 16.93 × 14.57 × 9.84 inPCS/SBOX: 20PCS/CTN: 40