The 21V electric screwdriver can quickly tighten or loosen screws, 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. 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. 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. 55Nm Torque: 55Nm large 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. Specifications: Name: Electric Screwdriver Material: plastics Battery: host, 1pcs battery, 2pcs batteries (optional) Host: no battery 1pcs battery: 1 * 21V, 1300mAh lithium battery (included) 2pcs batteries: 2 * 21V, 1300mAh lithium battery (included) Max torque: 55Nm Host size: 120 * 61 * 195mm / 4.72 * 2.40 * in Item weight: Host: 667g / 1.47lb 1pcs battery: 1003g / 2.21lb 2pcs batteries: 1284g / 2.83lb Package size: 205 * 195 * 66mm / 8.07 * 7.68 * 2.60in Package weight: Host: 750g / 1.65lb 1pcs battery: 1086g / 2.39lb 2pcs batteries: 1367g / 3.01lb Packing List (Host): 1 * Electric Screwdriver OR Packing List (1pcs battery): 1 * Electric Screwdriver 1 * Battery 1 * Battery Adapter OR Packing List (2pcs batteries): 1 * Electric Screwdriver 2 * Battery 1 * Battery Adapter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.