... for both recharging and data transfer to PC Portable hardness tester Features:* Pocket size, easy to operate* ... ring* Carrying case* Software and Cable* Operation manualTechnical specification: Hardness ParameterHL, HRC, HRB, HV, HB,HSMeasuring Range / ... back lightDisplay functions DImpact direction, Battery power consumption, Hardness scale, Hardness value,Average value, Max/Min value, Material, Type ...