Technical Specification:
Size: 0.12m× 0.12m×0.91m
Weight:12kg
Speed:8knots
Water Depth:180m
Endurance: 8 hours at 3 knots

Technical Specification:
Size:2m×0.26m×0.26m 
Weight:60kg   
Speed:4knots   
Water Depth:100米m  
Endurance:8hours at 4knots

Technical Specification:
Size:2.50m×0.40m×0.40m
Weight:100kg
Speed:4knots
Water Depth:200m
Endurance:10hours at3 knots

Technical Specification:
Size:3.94m×0.77m×0.56m  
Weight:900kg
Speed:6knots  
Water Depth:1000m  
Endurance:36 hours at 6 knots

Technical Specification:
Size:5.50m×0.90m×1.20m
Weight:2500kg  
Speed:5 knots  
Water Depth:6000m  
Endurance:24 hours at 3 knots