1. High speed (maximum 400 RPM), improves work efficiency and reduces repair time 2. Torque protection effectively prevents damage to phone components 3. Lightweight design, reducing hand strain and allowing more flexible operation 4. Automatic sensing and sleep mode helps save power and extend battery life 5. Built-in rechargeable battery (500 mAh) with Type-C charging for convenience 6. Built-in magnetic LED light; compatible with 4mm cross, Phillips, Pentalobe, and Tri-Point screw bits, suitable for mobile phone repair 7. Package includes: 1 x Electric Screwdriver Handle 4 x Bits 1 x Base