Fangrui Product Details The Ultimate Brushless Gimbal Motor For Slrs And Cameras Of Similar Weight Made Of High-quality Materials Easy To Use This Motor Is Designed For Large Multirotor Platforms That Wish To Lift Slr-sized Gears The Principle Of Camera Stabilization Using Brushless Direct Drive Motors Model No.:gm3506 Motor Dimensions:40x18mm Stator Dimensions:35x6mm Hollow Shaft: Inner Diameter 6mm Copper Wire(od):0.21mm Configuration:12n14p Resistance:14.3 Ohms Wind Type And Termination Method:star Style Pre-wounded With 130 Turns Bottom Mounting Holes: 16 And 19mm Center To Center Top Mounting Holes: 12mm Center To Center Camera Range: 200-400grams (due To Different Batches, The Printed Words On The Product Be Different, Which Does Not Affect Use) Colour:black Material:aluminum Alloy Package Contents: 1 X Brushless Gimbal Motor Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing