Features: High quality motor, fast start-up, low current. Safe and reliable, simple work, is an ideal tool for assembly and disassembly of various home appliances, toys, lighting, automobiles, electronics, furniture, etc. Built-in high-performance cooling fan motor, fast heat dissipation, stable torsion and long life. Unique design of alloy gear box structure, perfect combination and wear resistance. The central shaft adopts unique cold extrusion technology, smooth inner wall, high degree of coincidence, high concentricity, comfort and durability. Specification: Type:(Optional) KP-101A: Input Voltage: DC-36V Speed: 700-1400rpm Applicable Screws: 2-5mm Torsion: 2-25kgf-cm Screwdriver Bits Shank Diameter: 5mm Applicable Types: Suitable for disassembling some medium screws, such as: desktop computers, lcd monitors, kitchen appliances, subwoofers, etc. KP-102A: Input Voltage: DC-36V Speed: 700-1100rpm Applicable Screws: 2-6mm Torsion: 3-35kgf-cm Screwdriver Bits Shank Diameter: 6mm Applicable Type: Suitable for disassembling some large screws, such as: refrigerator, washing machine, stereo, range hood, large machine, etc. Package List: 1 x Electrical Screwdriver 2 x Screwdriver Bits Note: This electric screwdriver needs to be connected to the power supply. Buyers need to bring their own or purchase separately! 1、High quality motor, fast start-up, low current. 2、Safe and reliable, simple work, is an ideal tool for assembly and disassembly of various home appliances, toys, lighting, automobiles, electronics, furniture, etc. 3、Built-in high-performance cooling fan motor, fast heat dissipation, stable torsion and long life. 4、Unique design of alloy gear box structure, perfect combination and wear resistance. 5、The central shaft adopts unique cold extrusion technology, smooth inner wall, high degree of coincidence, high concentricity, comfort and durability.