sg907 gps drone with 4k 1080p hd dual camera 5g wifi rc quadcopter optical flow positioning foldable mini drone vs e520s e58 t191129

specification.product name: sg907 gps drone.product weight: 230.8g.product color: as shown.motor: brush motor.frame rate: 25 fps.folded size: 15x9x7.5cm.expanded size: 32x36x7.5cm.battery: 7.4v 1600mah.flight time: 18 minutes.charging time: about 4 hours.charging method: usb interface charger.height holding positioning system: gps, optical flow.camera: 4k pixels/1080p (camera angle can be adjusted by controller).picture: 4096*3072 pixels (4k) , 1920*1080 pixels (1080p).video: 2048*1080 pixels...