82 in 1 Multifunctional Mini Electric Screwdriver Set

1. Input voltage: 3.7V 2. Battery type: lithium battery, 350mAh 3. The red light is on when charging, and the green light is on when charging 4. Speed speed: 320r/min 5. Manual torque: 3n.m, electric torque: 0.4-0.5N.M 6. Full charge duration: 90 minutes, standby duration: 90 days