1. This product is an electric screwdriver, built-in lithium battery, non-removable. 2. This product is located in the general household, not suitable for high-intensity use 3. Insert the chuck with built-in magnet.Match with a drill bit.There be a slight when the drill bit is inserted, and of the drill bit be uneven during operation, which does not affect the actual use. 4. The drills in the package are normal drills.USB port charging, factory standard charging cable.All packages are without charging . 5. Motor all copper movement, high speed, high torque Attention: 1. This product can drill holes in wood and plastic. 2. Do not drill: hard materials such as walls, tiles, concrete and iron. 3. This product is targeted for general household use, not suitable for high intensity use. Name: electric screwdriver Scope of application: all kinds of maintenance computer, all kinds of loading and unloading screws Voltage range: AC single-phase, DC 50V or more than 250V or less Maximum screw: diameter 6.35mm Power supply voltage: 4.2V Power supply type: rechargeable - lithium battery technology Battery capacity: 1500mah Maximum torque: 2.6Nm Minimum torque: 1Nm No-load speed: 200(r/min) Colour:As Shown Material:ABS Package Contents: 1 * Electric screwdriver 1 * usb cable 1 * long rod bit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.