ITEM NAME:Dc 12V-24V Mini 555 Electric Hand Drill High Power 0.3-4Mm Jto Chuck For Mi A4B5 Dc 12V-24V Mini 555 Electric Hand Drill High Power 0.3-4Mm Jto Chuck For Mi A4B5 Hand drill motor and chuck Continuous Current(A): 3A Type: MiniMotor Torque: Other Output Power: Other Protect Feature: Standard Usage: Other Efficiency: Standard Description: Rated voltage: DC12V-24V Idling speed:12000rpm/min Chuck range:0.3-4mm Size:100x36mm Material: Aluminum Alloy + Brass color:silver Note: It requires 12-24V electric drill, the transformer current is greater than 3A, do not directly into the home 220V voltage will burn,very danger Package Contents: 1 * motor 1 * bushing 1 * drill clip.Hand drill motor and chuck. Chuck range:0.3-4mm. Output Power: Other. Material: Aluminum Alloy + Brass. Continuous Current(A): 3A.