This is an advanced digital torque screwdriver wrench with simple and practical operation. Digital display enables highly accurate torque management for precision instruments and equipment. Large LCD display with measurements in N-m, kgf-cm, lbf-ft, lbf-in. You can tighten with the appropriate torque value while observing the torque value on the LCD screen. Product name: VANPO 1/4-Inch Drive Digital Torque Screwdriver Product size: 14 x 4.9 x 2.6 inches Weight: ?2.1 pounds Material: Chrome Vanadium Steel What's in the box 1*Digital Torque Screwdrive 20*Screwdriver Bits 2*AAA Batteries 1*Screwdriver 1*Product Manual 1*Case Box