For measuring insulation resistance, AC voltage, DC voltage, etc.2.7" (65*25mm) large LCD screen with large digital readout with backlight for clear readingOverload indication for safety operationAutomatic measurement and discharge voltage automaticallyRed alarm light is on when high voltage outputsLow battery indicator to remind you to replace the battery to ensure measurement accuracy10M internal resistance testFeatures of high accuracy, stable performance, easy operation and reliabilityProfessional in electric equipment maintenance, testing and inspectionRed lid to protect the button and screen of the meterThe Storage pouch included, smooth zipper closureSpecifications:Material: PPMax. Display: 1999Insulation Resistance(): Test Voltage: 100V/250V/500V/1000V 0%~10%100V: 0.00M~100M (3%+5)250V: 0.00M~99.9M (3%+5) ; 100M~5.5G (5%+5)500V: 0.00M~99.9M (3%+5) ; 100M~5.5G (5%+5)1000V: 0.00M~99.9M (3%+5) ; 100M~5.5G (5%+5)Load Current: 50V(R=50K) 1mA 0%~10% ; 100V(R=100K) 1mA 0%~10% ; 250V(R=250K) 1mA 0%~10%500V(R=500K) 1mA 0%~10% ; 1000V(R=1M) 1mA 0%~10%Short Circuit Current: