KS-882037 28 in 1 Precise Electric Screwdriver, 28 in 1

1. Voltage: DC 3.7V
2. Battery type: Li battery
3. Electric torque: 0.25-0.35N.m
4. Battery capacity: 350mAh
5. Charging time: about 50 mins
6. Free speed: 180r/min
7. Manual torqye: 3N.m
8. Form factor: 213x64x33mm
9. Net weight of the screwdriver: 54g