Power : Battery embedded, Lithium Polymer Battery ( 7.4V, 400mAh )
Charger : adapter input : 110 - 220V 50/60Hz Output : DC 12V 1A
Duration time : About 180 min after full charge
Power consumption : 4W
Material : ABS
Weihgt : Gross weight ( Inc, charger ) 225g, Main body 150g, Charger 75g
Dimension : Diameter 32mm, Length ( Inc, Cap ) : 167mm
Needle : 5/9pins