Specification:  Displacement (배수량)     : 7.7 kg. surface / 7.95 kg. submerged  Overall Length (길이)      : 774mm  Beam (선폭)                    : 290mm  Draft (원통)                    : 200mm  Height (높이)                  : 285mm  Propulsion Motor           : 12V motor  Propeller                      : 40mm Pitch / 41 mm  Speed                          : 1.45 knots / 2.7 km/h surface (수면)                                      : 1.08 knots / 2 km/h submerged (수중)  Operating Diving Depth   : 5M  Max. Diving Depth           : 10M (Mechanical Limit)

Thunder Tiger proudly introduces their 1st underwater R/C model. Equipped with fully high technology operating equipment in the inner hull tub, covered by the yellow color outer hull. The Neptune SB-1 will let you explore and enjoy the mystery's of the underwater world.