Apache 3 Pro scanner boat; Physical Specifications Hull Dimensions (LxWxH): 1.05 m x 0.55 m x 0.39 m Material: Macromolecule polyester carbon fiber Weight (w/o battery): 10 kg Max payload: 30 kg Anti-wave & wind: 3rd wind level and 2nd wave level Hull Design: Triple hull Waterproof rating: IP67 Draft: 9 cm Indicator light: Two-color light Video: 360 degree omnidirectional video Auto return: Auto return while low battery or signal loss Obstacle avoidance range: 0.2-40 m (112 degree x 14 degree horizontally and vertically); Power Specifications Type: Electric Propeller Type: Brushless Direct Current Direction Control: Veering without steering engine Maximum motor power: 800 watts Maximum motor speed: 7,200 RPM Motor Installation: Pluggable Li-on battery capacity: 24,500 mAH, 36 V x 5 Power supply: Supports single battery independent power supply or dual battery balanced power supply Battery replacement: Hot swappable Battery endurance: 2 x 3 h@2 m/s (running on 2 battery sets) Maximum speed: 6 m/s