E99 PRO Drone Professional 4K HD Dual Camera Automatic Obstacle Avoidance Foldable Height Keep Mini Helicopter

Model: K3/E99 Type: Single/Dual Camera Operation mode: remote control/APP control Frequency: 2.4GHz Gyroscope: 6Axis Channel: 4CH Charging method: Universal USB interface Battery capacity: 3.7V 1800mAH modular battery Flight time: about 10-15 minutes Charging time: 60 minutes Remote control distance: about 150 meters Camera mode: FPV Lens: Built-in camera Video resolution: 4K single camera/4K dual camera Speed adjustment: slow/medium/fast Product size: 25*25*6cm (expanded size) 12.5*8*5.5cm (folded size)