Specifications Material Aluminum alloyBattery Built in 3 6V 2000mAh lithium polymer batteryCharging Port Universal USBItem Dimensions 213 x 40 x 40mm 8 39 x 1 57 x 1 57in Features 1 Compact Design Sleek and modern aluminum alloy construction easy to grip and operate designed for long lasting use 2 Efficient Motor High performance copper motor ensures optimal torque for seamless screw assembly and disassembly 3 Easy Bit Change Magnetic quick change collet system enhances speed when swapping bits without demagnetization concerns 4 USB Charging Support Equipped with a versatile USB charging port for power via adapters computers or portable chargers 5 Multiple Safety Functions Includes over current over voltage overheating as well as charging discharging protections for safe operation Package Included 1 x Electric Screwdriver2 x Long Screw Bit10 x Short Screw Bit1 x USB Charging Cable