Features A Variety of Values: With high definition bright screen, one key conversion, one measurement can display 7 kinds of hardness values Long Standby Time: This digital hardness tester can stand by for a long time, and can last for about a month when fully charged Large Capacity Storage: This high accuracy hardness tester adopts mass storage and can store 40 sets of experimental data Accurate Measurement: This digital hardness tester can achieve accurate measurement, automatic sleep, automatic shutdown Wide Application: Can be widely used for electric power, petrochemical, machinery manufacturing, metallurgy, vehicle and other industries Package List 1 x Digital Hardness Tester 1 x Wire 1 x Contact Rod 1 x Cleaning Brush 1 x User Manual