Features 1、Aluminum Alloy Material: It is made of high quality aluminum alloy material, which meets the manufacturing standard of diving equipment. Multilayer treatment, corrosion resistance, high pressure resistance. 2、Luminous Instrument: It is equipped with luminous instrument, which can withstand pressure in depth, and the display of the instrument can be clearly seen on the seabed. 3、Convenient to Use: With pressure relief valve, press it to release air and vent pressure, which is convenient to operate. It is practical. 4、Breathing Mouthpiece: Made of food grade silicone material, safe and odorless. Ergonomically designed to easily bite and breathe. 5、Good Sealing Effect: Imported rubber ring is adopted, which has good sealing performance and can effectively prevent air leakage. Specification Item Type: Scuba Tank Set Material: Plastic, Rubber, Aluminum Alloy Weight: Approx. 2785g / 98.2oz Product Specification: 1L Gas Capacity: 200L Breathing Times: It can breathe on the water for about 132 times Available Time: 15 to 20 Minutes Package List 1 x Oxygen Cylinder 1 x Rebreather 1 x Backpack 1 x Manual 8 x Sealing Ring 1 x Accessory