Tarot TL65B43 16mm CNC All Metal Electric Retractable Landing Gear Skids Driver for RC DIY Drone Adopt 6061t6 Aluminum Alloy CNC Process, Suitable for The Multi Rotor Copter With 25mm Landing Skids Tube. It Has The Sample Structure, Small Dimension, Easy To Install. With Specially Designed Drive Motor. Suitable for: Tarot Multi Rotor Copters: Iron Man 650/680/690 Quad/Hexa Copters (Hole Sites Have Been Pre-installed) You Can Plug It Into The Landing Gear Channel of Your Receiver With a Y Cable, Then Can Use Directly, No Need a Controller. Item Includes: All Metal Retractable Landing Skids Driver (Built-in Controller)*1pcs