Features: Large 6600 counts LCD display Auto range and manual range True RMS for AC voltage and AC current Linear frequency measurement for AC voltage and AC current 1KHz low pass filter functions Insulation measurement for 0.01M ohms to 2G ohms Automatically calculates PI(polarization index) and DAR(dielectric absorption ratio) Insulation test voltage: 50V/100V/250V/500V/1000V Temperature measurement: -30 Centigrade to 1300 Centigrades/-22 Fahrenheit to 2372 Fahrenheit Data logging up to 100 groups SKU: X1IN10292 Pls note that battery is not included in the package Package includes: 1 * MS5208 Digital Multimeter with Insulation Tester (with test leads) 1 * User manual