Parameter description - BTF version. Packing weight: 0.85kg, Packing size: 65*18*15CM, Wingspan: 610mm, Motor: high-grade double hollow cup motor, Battery: 7.4V2S650mah, Landing gear: rear three-point type, Endurance: 10 minutes (full throttle) ~15 minutes (level flight), Configuration: RTF to Handset (excluding remote control dry battery), Aircraft weight: 147g (excluding battery), Flight control: 6-axis self-stabilization and 3-axis stability augmentation.