1. Support Positive & Negative Rotation: Just press the button to unscrew or screw up the screws with ease. 2. Dual Working Modes: When the screws are too tight, you can rotate the screwdriver manually. 3. Includes 11pcs Magnetic Bits: With 11pcs different screwdriver bits, meeting the different demands for your repair work. 4. Built-in Rechargeable Battery: 3.6V 1100mA lithium battery, easy and quick for charging via Micro-USB interface. 5. Mini and Compact Design: and comfortable for long time use, a good helper for repairers. Type name: Mini Electrical Screwdriver Voltage:3.6V Battery:1100mah Lithium battery Speed: 250RPM Max torque: 1.3N.m~3N.m Plug type:Micro-USB Charging time:5hours Colour:Gray Material:Metal + ABS Package Contents: 1 set x Electric screwdriver set Only the above package content, other products are not included. Note: Light 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.