underwater scooter S1.while playing it underwaterk, it provide you thrust up to 12KG and pushing you moving 1.8 meters/second.It help you dive easily underwater up to 50 meters.
Underwater Scooter S2.it is cheaper and small than Scooter S1, but still powerful.It can bring a speed at 1.2 meters per second, and dive up to 30 meters.