This 21V 2in1 power tool is combine the function of electric screwdriver and electric drill. It not only can quickly tighten or loosen screws, but also can drilling holes on different materials, providing enough power to complete most household or industrial applications. Full metal bearings are manufactured by using high carbon steel and quenching and tempering process for maximum accuracy and stability, easy and accurate to find the position. There are two kinds of speed control modes, 2 speed control and trigger stepless speed adjustment for you to get the speed you want. Using an electric screwdriver can increase efficiency and reduce the fatigue and time costs of manual operation. Suitable for tightening screws in the home in all scenarios: such as the installation of lamps, household appliances, door locks and other disassembly. And can be used for drilling holes in a variety of materials, such as wood, metal, stone and concrete. 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 bearings are manufactured by using high carbon steel and quenching and tempering process for maximum accuracy and stability, easy and accurate to find the position. With high concentricity, drilling is not easy to run out. Brushless Motor: The use of a brushless motor, with high rotation speed, which does not produce sparks when working, and the motor does not wear out, can provide long service time, and greatly improve the working efficiency. 21 Gears of Torque Adjustable: Self-locked collet, provides 21 torque control, which meet the needs of installing all kinds of highly precise machinery. High torque, stable torque output, can satisfy with all your requirements. Two-speed Regulation Modes: There are two kinds of speed control modes, 2 speed control and trigger stepless speed adjustment for you to get the speed you want. 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. LED Light & Indicator Light: Built-in LED working light, it will open automatically when the trigger is pressed, and can provide illumination in dark spaces, more convenient to use. And with power indicator lights to remind you recharging in time. Cooling System: Reserved multiple ventilation cooling holes, efficient heat dissipation, will not get hot for long working time. Wide Applications: Suitable for tightening screws in the home in all scenarios: such as construction decoration, home appliance installation, furniture installation and maintenance, DIY woodworking, and other disassembly. And can be used for drilling holes in a variety of materials, such as wood, metal, stone and concrete. Specifications: Name: Electric Screwdriver Material: plastics Battery: 1pcs battery, 2pcs batteries (optional) 1pcs battery: 1 * 21V, 1300mAh lithium battery (included) 2pcs batteries: 2 * 21V, 1300mAh lithium battery (included) Item size: Host size: 124 * 83 * 205mm / 4.88 * 3.27 * 8.07in Install with battery and collet: 160 * 85 * 238mm / 6.30 * 3.35 * 9.37in Item weight: 1pcs battery: 1173g / 2.59lb 2pcs batteries: 1467g / 3.23lb Package size: 240 * 210 * 75mm / 9.45 * 8.27 * 2.95in Package weight: 1pcs battery: 1277g / 2.82lb 2pcs batteries: 1572g / 3.47lb Packing List (1pcs battery): 1 * 2in1 Power Tool Host 1 * Battery 1 * Battery Adapter 1 * Collet OR Packing List (2pcs batteries): 1 * 2in1 Power Tool Host 2 * Battery 1 * Battery Adapter 1 * Collet