Welcome to our store! Product Name: DC High Speed Motor Product model: 60D94 Voltage: 12V/24V. Motor size: 94 60mm Output shaft size: 40 8MM Motor weight 0.8Kg Forward and reverse: YES. (motors with speed controllers equipped with forward and reverse switches). Can speed be adjusted: Yes. Power supply mode: DC power supply Applicable scenarios: Automation equipment Installation method: bracket installation. Depends on your choose. Please check with y. We are not responsible. OR, you may choose to have a replacement. Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem you have. Please DON’T leave negative or neutral feed.