Specification:                     Feature: Mini electric screwdriver Function: Multi-function electric screwdriver Type: Portable electric screwdriver Screwdriver: Cordless Screwdriver Battery: 18650/1300mah Battery: Lithium battery Maximum torque: 3.5N/M Charging time: 3-5 hours Rotation function: 90° Speed: 250r/min Voltage: 3.6V Turn: two-way Color: Gray, Red              Feature：       1. USB charging, wireless 2. It can rotate in forward and reverse directions, and can tighten or loosen screws 3. LED lighting: the light will be on when working 4. Mini and compact, easy to use 5. Two electric drill modes: gun type and straight grip type 6. Large-capacity lithium battery, more powerful, longer use time and more durable.              Note: 1. Please allow 1-3mm error due to manual measurement. please make sure you do not mind before you bid. 2. Due to lighting effects, monitor's brightness contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item 3. About this product, in view of the production batch problem at different stages of the factory, may be different from the brand on the label, but please be assured that the quality of the product is the same. This is what we can guarantee and promise. If you mind this, please buy it carefully. Thank you