Features:3200 counts and 33 segments bar graph LCD displayJaw opening capability: 55mmDiode test and continuity testAuto power off and back lightZero adjustment and data holdSpecifications:Maximum voltage between terminals and earth ground: CAT II 1000V dc or 750V ac rms. (sine)Display: LCD, 3200 counts and 33 segments bar graph updates 2-3/sec.Ranging method: Auto/ManualJaw opening capability: 55mm (Max conductor size)Power Supply: 9V battery, NEDA 1604 or 6F22 006P (not included)Operating environment: 0 to 40 CentigradeStorage temperature: -10 to 50 CentigradeAltitude: 2000mSize: 282*104*47mm Package includes:1 * M9912 Digital Clamp Meter1 * Set test leads1 * User manual