powerdayTarot TL65B44 Retractable Landing Skid Gear for FY650 FY680 FY690 Multicopter - Suitable for Tarot 650/680/690 quadcopter/ hexacopter of different model (already preset the holes for different models) - Can be directly plug into receiver landing gear channel (Y cable connecting, not included), no need electric landing gear controller - The motor included in the device is durable and reliable - Light weight, simple structure, quick installation, small space