Steering: CW/CCW
Voltage: 50V MAX
Max current: 70A
Nominal power: 3500W
Max thrust: 40kg
prop diameter：145mm
Weight:4990g
Paddle Blade：Metal cnc4 blade propeller
Line length：1m
Waterproof depth is greater than 100m
Uses: surfboard, unmanned ship, manned ship, sewage treatment.

Pulse width range: 1000-2000us, median 1500us
Positive thrust is as follows:
1550US / 0KG / 0A;
1600US / 2.2KG / 0.8A;
1650US / 5.2KG / 2.6A;
1700US / 11.6KG / 8.2A;
1750US / 17.2KG / 16.2A;
1800US / 23KG / 24A;
1850US / 32KG / 42A;
1900US / 35KG / 62A;
1950US / 36KG / 63A;
2000US / 37KG / 66A;
2150US / 38KG / 67A;
2200US / 39KG / 68A.