Target torque alert gives a warning as you approach the target torque; vibrating handle, buzzer, and solid led light indicate when target is reached 72-tooth ratchet mechanism with a 5 swing arc allows you to turn fasteners in tight spaces handle and housing are oil and solvent resistant, protecting the tool from harmful agents and keeping your hands in place 3 function modes feature peak torque, angle, and peak angle for additional versatility 10 available preset torque settings allow you to quickly access frequently repeated applications 5 torque measurement units provide a readout in nm, ft-lb, in-lb, kgf-m, and kgf-cm torque accuracy of +/-2% cw and +/-3% ccw between 20% and 100% of wrench capability angle settings offer +/-1% of reading of angle accuracy requires 2 aa batteries (not included) meets or exceeds asme b107.28m standards and specifications