Precision digital torque wrench with settable torque and audible over-tighten alarms. Digital read out is programmable in Nm/kg Nm/cm inch/lbs or ft/lbs. Reversible ratchet box wrench for bits AAA x1 battery with 20hrs life k Allen wrenches: 2/2.5/3/4/5/6mm T25 Torx Bit k Phillips Screwdriver Hardened steel and engineering grade plastic materials Torque range: 1-20 Nm Additional Features: Pre-set torque valve #Warning sound for over LCD display k Auto off 19×2.1×2.1cm k 153g