Features:1. 3 times the torque (manual torque: 3N.m electric torque: 0.45-0.5Nm)2. Increase the speed (idling speed: 300 r/min)3. Locked-rotor protection (0.2S of locked-rotor will stop the power supply to the motor, mainly to protect the motor. Prevent the motor from overheating and burn out the motor and circuit board)4. Charging prompt (the charging light changes from white to red when charging, and green when fully charged)5. Low battery reminder (when there is no power, pre forward, reverse, the electric screwdriver does not work, the light flashes 5 times)6. Motor protection (the motor changes from forward to reverse, or from reverse to forward, and the electric screwdriver starts with a delay of 0.1 S, mainly to protect the motor and prolong its service life)7. Lifespan is improved (the motor will automatically stop after two minutes of rotation, and it will start when preed again to prolong the life of the motor and battery)8. Power saving mode (the light will automatically turn off after preing once for 3 minutes)Specification:Battery Capacity: 350mAhCharging Time: <50minsBattery Type: Li BatteryForm Factor: 213*64*33mmElectric Torque: 0.45-0.5N.mVoltage: 3.7V-DCFree Speed: 300r/minManual Torqye: 3N.mPackage Included:1pcs * 28 IN 1 Screwdriver set.Note:Please allow 0.5-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!