TBK 007 Adjustable Multifunctional Grinding Screwdriver Set Brand: TBK Model: BK-007 1. Rated voltage: 3.7V 2. Battery capacity: 500mAh 3. Maximum Torque: 1.5kgf 4. Speed adjustment: Third gear 5. Speed (screw): 260Rmin 6. Speed (grinding):30000Rmin 7. Charging method: Type-C 8. Charging parameters: DC 5V 1A 9. Product size: 187 x 17.7mm 10. Product Weight: 76g 11. Not just a screwdriver, it can grind, cut, drill, it can do it all Grinding, cutting, drilling, all done with one machine to meet your diverse maintenance needs 12. According to different working requirements, the speed and torque can be easily switched to achieve precise operation 13. Automatic torque brake, intelligent protection prevents over-torque and protects screws and equipment 14. Three-speed speed torque adjustment, according to different working requirements, the speed and torque can be easily switched to achieve precise operation 15. 24Pcs high-precision bits and 10Pcs grindingdrilling bits, suitable for quartz watches, cameras, radios, computers, mobile phones, drones, and other conventional household appliances 16. 30000rpm high-speed motor, strong power, completes tasks quickly, and improves work efficiency 17. 500mAh lithium battery for long-lasting battery life, high efficiency, and energy saving, meeting the needs of long-term work 18. Adapt to multiple scenarios, whether its home repair, car repair, or electronic equipment maintenance, we can handle it with ease 19. Package includes: 1 x Handle 24 x Bits 10 x Grinding HeadDrill Bit 1 x Charging Head 1 x Charging Cable