Description 3½ Digit 1999 Count Large LCD Display Range Selection & Single Person Push Button Operation LCD with Green Backlight Function with Indicator Switch Data Holding Function Display with Annunciators Measurement of AC Voltage upto 600VAC Measurement of Phase Sequence Between (Phase – Phase Voltage) with LED Indicators & Beep Facility Auto Range (Insulation Test) Red LED Indicator for HV (High Voltage) Inbuilt Protection Circuit to prevent the harm of reverse Voltages Battery Operated with AC Adaptor Suitable for Calculating PI & DAR (Manually) As per EMC Standard IEC 61326-1 Class B Over Voltage CAT III, 600V As per Safety Standard IEC/EN 61010-1 & 61010-31 IP 44 Protection