Dolphin 2 ROV has features of compact structure,easy operation,low failure rate and friendly maintenance.In particular,we adopts new Ultra-high molecular weight polyethylene(UHMW-PE)material,which has high impact resistance,crash worthiness and pressure resistance.Meanwhile,this model is equipped with 4 sets of high power speed controllable thrusters,waterproof buoyancy cable special for underwater use,can accomplish the underwater observation and simple salvage.It is widely used in meticulous work of underwater observation,objects pickup,etc.