Rechargeable Screwdriver Electric Screwdriver Kit Cordless Power Precision Screwdriver with Led Light Circuit Sensor Technology and 12pcs Bit Kit Electric screwdriver is Automatic transmission, with high efficiency.Great for Computer,electronics and industrial application.6 Months warranty. Comes with Circuit Sensor Technology, when the machine near the power supply current, the light and voice will reminder you. The tool is fitted with a wire stripper and you can easily bend the wire, save time and effort. There is LED work lighting, the dark does not affect the work. It comes with 12pcs popular bits and magnetic bit holder.Convenient one-handed use.