کوادکوپتر دوربین دار RS537 MYTOYS  به زودی در فروشگاه xheli  Specification Product Name rs537 4K  1080p Dual Camera Optical Flow Specifications Body size 27 x 27 x 45cm unfolded 14 x 14 x 45cm folded Charging time Appr 120 minutes Flight time Appr 20 minutes Remote control distance Appr 150 meters Working time 20 minutes Aircraft battery capacity 1800 mAh Features 1It can fly forward backward left right and rolling 360 an it has 3 flying speed 2One key return one key takeoff  landing emergency stop 3Headless mode 4WIFI transmission ensures real time photovideo 5Optical flow positioning 64K quadcopter with dual cameras 120 degree wideangle camera 90 degree manually  adjustable camera angle