The electric screwdriver has a metal and plastics housing, with rubber coating for long durability and increased reliability. All-metal gears and bearings are made of high-carbon steel and quenched and tempered for maximum accuracy and stability. Multifunctional design, forward and reverse rotation direction adjustable, and with trigger lock function, easy to disaemble and aemble. Ergonomic anti-slip handle design, easy to grip and with comfortable hand feeling, practical and labor-saving. Suitable for construction site shelves, maintenance, woodworking, etc. With LED working light, provides illumination in dark environment. Wide applications, suitable for construction site shelves, maintenance, woodworking, etc.Features:Premium Material:Metal and plastics housing with rubber coating for long durability and increased reliability. All-metal gears and bearings are made of high-carbon steel and quenched and tempered for maximum accuracy and stability.Brushle Motor:Adopts brushle motor which does not generate sparks when it is working, and the motor does not wear, can provides long service time.Two Speed Control Modes:There are two kinds of speed control modes, 2 speed gears adjustable and steple speed adjustment for you to get the speed you want. Equipped with steple speed change switch, easy to adjust the speed according to your needs. To vary the working speed, simply increase or decrease the preure on the trigger, the greater the preure added, the higher the speed is.Rotation Ways Adjustment & Safety Lock:The control switch has three positions: forward, reverse, and lock. A lockout mechanism allows the control switch to bring the motor to a complete stop before use.Comfortable Handle:Ergonomic soft rubberized antislip handle design, easy to grip and comfortable to hold, practical and labor-saving.LED Indicator Light:Equipped with an LED working light, it opens automatically when the trigger is preed, and can provide illumination in dark spaces, more convenient to use.Efficient Heat Diipation:Reserved several ventilation cooling holes, efficient heat diipation, will not be hot for working long time.Rechargeable Lithium Battery:Adopts high capacity lithium battery with overcurrent, overvoltage, overcharge, overdischarge, and over temperature protections.Wide Applications:Suitable for construction decoration, furniture installation and maintenance, DIY woodworking, furniture aembly, wood drilling, etc.Specifications:Name: Electric Screwdriver SetMaterial: metal+plasticsBattery: 1pcs battery, 2pcs batteries(optional)1pcs battery: 1 * 16.8V, 1300mAh lithium battery(included)2pcs batteries: 2 * 16.8V, 1300mAh lithium battery(included)Item size: 150 * 58 * 212mm / 5.91 * 2.28 * 8.35inItem weight:1pcs battery: 935g / 2.06lb2pcs batteries: 1125g / 2.48lbPackage size: 216 * 165 * 90mm / 8.50 * 6.50 * 3.54inPackage weight:1pcs battery: 1026g / 2.26lb2pcs batteries: 1216g / 2.68lbPacking List (1pcs battery):1 * Electric Screwdriver1 * Battery1 * Battery AdapterORPacking List (2pcs batteries):1 * Electric Screwdriver2 * Battery1 * Battery Adapter Many Questions about Drop