... youth playing catch dragonflies tong qu. 4.5-CHANNEL RC HELICOPTER (DRAGONFLY)(Replaceable battery) The aircraft weight: 52 gAircraft specifications: ... 2 * 17.5 cmNote: 1, simulation modelling of a dragonfly, dragonfly flying posture, cool and beautiful appearance modelling, make the product ... as adults.4, product set remote control function of dragonfly wings beat 5, each aircraft configuration only a ...