Features:- This small hand drill can be used directly, But to DIY with their own, need their own assembly, their wiring.- can be used for drilling plastic plate, thin wood etc.- The drill can be changed,it can match drill diameter 1.3mm.- It's with 6v 180 strong magnetic carbon brush motor.- The bit diameter is 1.3mm.- The power is the battery case with 4pcs AA battery .Motor: 6V 2A DCDrill chuck diameter: 1.5-2mmPower: 4pcs AA batteryPackage Weight : 47 G / 1.66 OuncesPackage Dimensions (L*W*H) : 83*20*15 MM / 3.27*0.79*0.59 InchesRetail Packaging: Yes, General BoxPackage Include:1 x Mini Motor Drill1 x 4 AA Battery Case(exclude battery)1 x Brass Drill Collet1 x Twist Drill Bits 1.3mm1 x Hexagon Screw Wrench