Eathtek Replacement 300W 12V 24V 36V 48V DC Air-coole Engraving Machine Carving Milling Spindle Motor The motor is used by many DIY users, and suitable for carving PCB, acrylic, drilling, etc. Power: 300W, Operating voltage 12-48VDC Speed :3000-12000r / min. (12V-3000 transfer, 24V-6000 transfer, 36V-9000 transfer, 48V-12000 rpm) Can be used for engraving metal or nonmetal materials All pictures are taken from the real item, please check carefully before bidding.