1[Ergonomic Design] This small, easy to operate electric cordless drill, its handle is ergonomically designed, and it has an excellent grip. 2[2 Gears Mechanical Speed Control] You can adjust the speed according to the required power to improve work efficiency. 3[25 Gear Torsion Adjustment] The greater the torsion, the greater the force, the appropriate torsion can be switched according to different work. 4[2 Modes] Positive and negative mode, one key button design, free switching. Built in front LED light can work in dark conditions. 5[Battery] Please use 18V lithium battery, otherwise the product may have insufficient torsion, the drill can be used foe many purposes. Item Type: Power Drill Material: ABS, PVC Maximum Torsion: 25-28N.M No Load Speed: 0-450rpm, 0-1550rpm Maximum Drill Hole Diameter: 10mm (3/8in) Adjustable Number of Stages: 25 1 xPowerDrill 1 x Storage Box Please use 18V lithium battery, otherwise the product may have insufficient torsion