Specifics: MAX Display:3999 Insulation Resistance: 250k~40G Accuracy:250k~200M3%5d,200M~4G5%5d,4G~40G10%5d Output voltage:250V/500V/1000V Short circuit current:1.5mA Measuemeat time:1/2/10min (min) Multimeter functions: DCV: 400mV/4V/40V/400V0.5%5d,1000V0.8%5d ACV: 4V/40V/400V0.8%5 ,700V1%5d DCA:40mA/400mA0.8%5d ACA:40mA/400mA1%5d Resistance:400/4k/40k/400k0.8%5d, 4M1%3d,40M3%3d Capacitance:40nF/400nF/4uF/40 uF3%5d Frequency:40Hz/400Hz/4 kHz /40 kHz/400 kHz /4MHz 0.5%3d Auto Range:Y LCD Backlight:Y Feature: 1.2 in 1 meter:Resistance test meter and Digital multimeter. 2.Founctions:AC/DC voltage current,resistance and capacitance,AC voltage range frequency measurement function,diode,continuity buzzer. 3.With LCD Backlight,can read data in dark. 4.The output voltage and insulation resistance are displayed simultaneously. 5.Used for insulation resistance measurement of various electrical equipment and insulation materials. Friendly Tips Due to manual measurement , there may be 1-3cm deviation exist,hope you can understand. There are slight difference between the picture and the real item caused by light brightness,hope you can understand. Package includes: 1pc of Insulation Resistance Meter