Dimensions: 470×349×260 mm (L × W × H) Weight in air: 12.5 kg, near-neutral buoyancy in water Hull structure: Aviation-grade aluminum pressure vessel + HDPE crash-resistant outer frame & composite buoyancy material Standard single-grip hydraulic manipulator with clamping force ≥12 kg

Rated operating depth: 300 m Thruster layout: 4 horizontal + 2 vertical oil-filled brushless thrusters (origin of model name "6T") Total forward thrust: ≥39.8 kgf; Vertical thrust: ≥9 kgf; Max still-water speed: 3 knots (1.54 m/s) Power supply: Built-in onboard lithium battery, continuous working duration ≥5 hours; optional shore-based wired power for unlimited runtime

PTZ camera: 3MP HD, 110° field of view, PTZ pitching range ±60° Lighting: 4×1500 lm subsea LED lamps, total luminous flux 6000 lm

9-axis IMU (gyroscope + accelerometer + magnetometer), depth gauge, water temperature sensor and cabin water ingress alarm; Functions include depth hold, heading lock, automatic flow stabilization and omnidirectional lateral movement for stable operation in torrential river currents

Standard 100 m zero-buoyancy Kevlar reinforced cable (breaking load: 100 kg); upgradeable to 200 m / 300 m Portable dustproof & waterproof control case: dual high-brightness touch screens (15.6" + 10.1"), total console weight 17 kg, Windows 10 control system

Side-scan imaging sonar, USBL underwater acoustic positioning system, multi-joint hydraulic manipulator, motor-driven automatic cable winch