Model Number：N-20
Color： Black
Battery Type：Ni-MH battery 1.2V 600mAh
Charger : DC 5V 1000mAh, AC100-240V 50/60Hz
Product Dimensions： 3.66*1.61*1.22 inches
Charging time: 3h
Using time: 4h
Product Dimensions： 1.50*1.38*6.30 inches
2 Speed Using： 7000-8000/RPM
