Key Features: Remote Water Sampling: Deploy sampler in remote waters and safely carry water samples of up to 2000 ML back to the shore Fully IP67 Saltwater-proof: Engineered with a self‑floating, corrosion‑resistant body for reliable operation in both fresh and saltwater environments. Dual-payload Release: Independent trigger system enables multi‑depth sampling using Van Dorn or other compatible water samplers. Live Targeting: Real‑time FPV feed on the built‑in 5'' controller display ensures precise positioning and sampling accuracy. Powerful & Efficient Flight: Robust propulsion supports longer range and stable lift even with full water payloads. Key Specs: Waterproof rating: IP67 Max payload capacity: 4.4 lbs / 2 kg Max flight speed: 40 mph / 18 m/s (without payload in ATTI mode) Max altitude from take-off point: 393 ft / 120 m Max flight distance: 1 mile / 1600 m Max image transmission distance: 0.74 mile / 1200 m Flight time: up to 27 mins (no wind & no load) Max wind speed resistance: 40 mph / 18 m/s / 35 knots Hovering precision: ±1.6 feet / ±0.5 m Satellite positioning system: GPS/Galileo Video resolution: 4K:30fps | 2.7K:60fps | 1080P:120/60/30fps | 720P: 240/120/60fps Photo resolution: 4000*3000 (4:3), 3840*2160 (16:9) Battery: 6S LIVH 4200 mAh Working temperature: 14℉ ~ 104℉ / -10℃ ~ 40℃ Certifications: CE/FCC/ROHS/RCM