*Li-ion battery *Rotation left/right *Variable speed+brake *10mm single sleeve keyless chuck * With LED light *With LED battery indicator * With soft grip *With two mechanic gear 0-550rpm or 0-350/0-1200rpm *Torque settings:23+1 *Charging time:3-5hours or 1hours *Max Torque 8N.M or 14N.M *Voltage:10.8V (Li-ion18650 1300mah,1400mah,1500mah