The 16.8V electric screwdriver can quickly tighten or loosen screws, providing enough power to complete most household or industrial applications. The use of a strong magnetics brushle motor, with 55Nm large torque, 1500rpm high rotation speed which does not generate sparks when it is working. There are two kinds of speed control modes, 2 gears adjustment and steple speed adjustment for you get the speed you want. Torque adjustable design, with stable torque output. Using an electric screwdriver can increase efficiency and reduce the fatigue and time costs of manual operation for different types of screws. Suitable for tightening screws in the home in all scenarios: such as the installation of lamps, household appliances, door locks and other disaembly.Features:Premium Material:Simple and fashionable, made of engineering plastics material, innovative integrated structure, with ergonomic anti-slip handle, easy to grip and with comfortable hand feeling, practical and labor-saving.Quality Bearings Design:Full metal gear and bearings are manufactured suing the high carbon hardne steel and quenching heat hardening proce for maximum accuracy and stability, easy and accurate to find the position.Brushle Motor:The use of a strong magnetics brushle motor, with 55Nm large torque, 1500rpm high rotation speed which does not generate sparks when it is working, and the motor does not wear, can provides long service time, and greatly enhances the working efficiency.Multi-shift Torque Adjustment:Torque adjustable design, easy adjustment, stable torque output, can satisfied with all your demands.Two-speed Regulation Modes:There are two kinds of speed control modes, 2 gears adjustment and steple speed adjustment for you get the speed you want.LED Light & Indicator Light:Built-in LED working light, it will opens automatically when the trigger is preed, and can provides illumination in dark spaces, more convenient to use. And with 3 power indicator lights to remaind you recharging in time.Cooling System:Reserved several ventilation cooling holes, efficient heat diipation, will not hot for working long time.Specifications:Name: Electric ScrewdriverMaterial: plasticsBattery: no battery, 1pcs battery, 2pcs batteries(optional)Host: no battery1pcs battery: 1 * 16.8V, 1300mAh lithium battery(included)2pcs batteries: 2 * 16.8V, 1300mAh lithium battery(included)Rotation speed: 1500rpmMax torque: 55NmItem size:Host: 186 * 115 * 57mm / 7.32 * 4.53 * 2.24inHost with battery: 210 * 116 * 57mm / 8.27 * 4.57 * 2.24inItem weight:Host: 567g / 1.25lb1pcs battery: 838g / 1.85lb2pcs batteries: 1043g / 2.30lbPackage size: 216 * 167 * 90mm / 8.50 * 6.57 * 3.54inPackage weight:Host: 665g / 1.47lb1pcs battery: 937g / 2.07lb2pcs batteries: 1130g / 2.49lbPacking List (No Battery):1 * Electric ScrewdriverORPacking List (1 x Battery):1 * Electric Screwdriver1 * Battery1 * Battery AdapterORPacking List (2 x Battery):1 * Electric Screwdriver2 * Battery1 * Battery Adapter Many Questions about Drop