Electric Auto Screwdriver

No-load speed:250rpm.
Product weight: 0.79kg
Product size: 235*60*60mm
Battery: recharger
Frequency: 50/60HZ.
Voltage: 3.6V/4.8V
Max. Torque:3.5.
Charging time: 5-7 hours
Charger: input:230-50Hz. Protection against electric shock, classII. Protection against

moisture{IP 20}. Output: 6V dc,300mA