kakbeir rc foldable drone 4k hd dual camera wifi fpv e525 quadcopter follow me professional helicopter dron toys for boys

item no.: e525 frequency: 2.4g channel: 4ch motor: 816 coreless motor quadcopter battery: 3.7v 1800mah lipo (included) transmitter battery: 3x 1.5 aa battery (not included) flying time: 15 mins charging time: 100mins r/c distance: 100m color: black white camera:720p/ 4k / 4k dual camera (optional) quad's size: 25*20*5.5 cm (the arms not folded, ) 12.5*8*5.5 cm (the arms folded) function: up/down, forward/backward, turn left/right, sideward flight, 3-level flight speed, led light, headless m...