Feature:1. SAFE AND PORTABLE: The diving tank with face cover kit, made of premium aviation aluminum, stainless steel, silicone and ABS material, sturdy and comfortable, provides a safe underwater breathing experience. Portable design, easy to carry, suitable for travel, vacation and water sports.2. 180 WIDE FIELD OF VIEW: Snorkel face cover with clear flat lens will not distort your vision and eliminate any glaring and discomfort. 180 clear and wide field of view allows you to enjoy a clear and transparent underwater view.3. MULTI APPLICATION: Multi functional full face cover, can be used for both diving and snorkeling, meets the needs of different underwater activities. 360 rotating snorkel tube stays on the surface of the water more easily, allowing you to move your head more freely. Catch your adventure with the camera.4. PROFESSIONAL: Flexible snorkel system, on the surface it works like a normal snorkel, but when you are underwater, the additional 0.5 liter mini tank activates, allowing you to breathe underwater for approximately 6 minutes (dive depth, temperature, and speed of breathing affects breathing time).5. EASY BREATHING: The diving breathing system has separate channels for inhalation and exhalation, which quickly removes CO2 and remnant O2 from the outlet, and inhales breath through the mouth and nose together for a more relaxed snorkeling experience. It prevents your face cover from fogging up and prevents seawater from entering your mouth.Specification:Item Type: Diving Breathing SystemMaterial: Aviation Aluminum, Stainless Steel, Silicone, ABSCylinder Capacity: 0.5LPackage List:1 x Oxygen Cylinder1 x Face Cover1 x Camera Mount1 x Valve Head2 x Breathing Tube1 x Pressure Gauge1 x Adapter1 x Hand Pump Handle1 x Hand Pump1 x Oil Water Separator1 x Hex Wrench3 x Instruction Manual1 x Storage Bag3 x Pack of Accessories (Total 55pcs)