Walkera GOGGLE 2 FPV Glasses 5.8GHz for Tali H500/ Runner 250 FPV Quadcopter White Suitable for Tracking Walkera Tali H500/ Scount X4 /X350 Pro /Runner 250 Drone 5.8G section channel receiver built in Built-in head tracking Image brightness contrast can be adjusted High-tech precision optical components, prevent visual fatigue design