ITEM NAME:Complete Motor Components Set 2 Clockwise + 2 Counter-Clockwise Rotation (4) Description: 100% brand new and high quality Ultra durable & light weight, great to have on hand for easier replacement Fit for UDI U817 U818A U817A rc quadcopter Suitable for DIY players do DIY aircraft Material: Plastic, Metal Size Chart: Package Dimension: Approx. 150 x 50 x 30mm/5.91 x 1.97 x 1.18inch Package Includes: 1 Piece Clockwise Motor with Blue Light 1 Piece Clockwise Motor with Red Light 1 Piece Counter Clockwise Motor with Blue Light 1 Piece Counter Clockwise Motor with Red Light SKU: DMO0015880161009823.1 Piece Counter Clockwise Motor with Blue Light. 1 Piece Clockwise Motor with Blue Light. 1 Piece Counter Clockwise Motor with Red Light. 1 Piece Clockwise Motor with Red Light. Fit for UDI U817 U818A U817A rc quadcopter.