Features:Metal housing with rubber coating for long durability and increased reliability.Adopts brushless motor which does not generate sparks when it is working, and the motor does not wear, can provides long service time.Full metal gear and bearings are manufactured suing the high carbon hardness steel and quenching heat hardening process for maximum accuracy and stability.Multi-purpose, 3-in-one design, forward and reverse rotation direction adjustable, and with trigger lock function, disassembly and installation easily.Multifunction, can be used as impact drill(punching on the wall, ground), flat drill(drill holes on the metal, PVC, plastics, wood) and screw screwing tool.20 + 3 stage settings, delivers 20 torsion settings and 3 working modes, can satisfied with all your demands.Self-locked chuck tightens as you work to deliver greater bit retention, and this construction provides added higher durability.There are two kinds of speed control modes, 2 gears adjustment and stepless speed adjustment for you get the speed you want.Built in LED working light, it opens automatically when the trigger is pressed, and can provides illumination in dark spaces, more convenient to use.Ergonomic anti-slip handle design, easy to grip and with comfortable hand feeling, practical and labor-saving.Reserved several ventilation cooling holes, efficient heat dissipation, will not hot for working long time.Auxiliary locking side handle with securely locks, which can give you two-hands grip options for improved user comfort, and decreasing user fatigue after extended use.Comes with large capacity battery, overcurrent, overvoltage, charge, discharge, and over temperature are protected.