Underwater breathing: The Scuba tank is perfect for diving or exploring wrecks and caves.It has a capacity of 2L and can breathe underwater. Mini Size: Only 17*4.3 in, and weight for 8lb. You can hold the cylinder with one hand, when using underwater, you can carry the mini scuba tank simply by biting on the mouthpiece, making your underwater activities more free. The tank body and regulator can be disassembled, and the disassembled scuba tank can be taken on the plane. Three inflate ways: The scuba tank is equipped with inflation interface, and the maximum pressure the tank can stand is up to 3000PSI/200BAR/2OMPA. Three inflate ways can be adopted. High pressure gas bottle inflation, Scuba Conversion Heads, Electric inflatable pump. Usage Scenarios: The portable mini scuba gear can be used for Leisure and entertainment diving, river and ocean rescue and other underwater purposes. This diving equipment is suitable for people with diving experience to use, diving needs team cooperation to prevent accident, do not solo diving activitie. What you will get: You will get a set of diving gear a 2L mini scuba tank, Diving goggles, backpack, flashlight. Specification: Item name: Diving Tank Equipment Capacity: 2L Gas capacity: 3.0 CU FT/85LITERS Material: aluminum alloy + food grade silica gel Height: 44cm Diameter: 11cm Maximum pressure: 3000PSI/200BAR/2OMPA. Weight: 3.65 KG(FULL PACKAGE) Gas filling way: manual pressure pump, electric pump, conversion head Application: Professional diving reserve air source, amateur diving, lifeguard and fireman Available time: about 30-40 minutes Package List: 1 * submersible gas cylinder 1 * backpack strap 1 * flashlight 1 * diving glasses Instructions: 1. In order to bring a better experience of the product , please read the instructions and precautions carefully before using. 2. The maximum filling pressure of this product is 3000psi or 200bar , and the gas with oxygen content greater than 40% cannot bet with clean and dry compressed gas , away from high temperature and open. 3. This product is suitable for recreational diving air source with a depth of less than 10 meters . Do not try to use this product as an air source in deeper waters 4. This product can be used as a backup air source for recreational at a depth of 30 meters . Before using this product in a depth of less 30 meters , you must obtain the scuba diving technical training and certification from a recognized certification body . The use of the breathing div ice by an uncertified person at a depth of more than 10 metres may be dangerous 5. Please store the product in a cool and dry place , avoid direct sunlight or store it in the trunk of the car or the place where the temperatures too high.