•【1L Capacity Oxygen Cylinder】Allows divers to stay underwater at depths of 1-10 meters for 10-20 minutes, ideal for beginners and recreational diving. •【Versatile Inflation Options】Supports three inflation methods: manual high-pressure pump, refill adapter, and electric inflator for convenient use in various situations. •【Durable Aerospace-Grade Material】Constructed with 6061T6 aluminum, meeting professional diving equipment standards for safety and longevity. •【Integrated Pressure Gauge】Features a built-in pressure gauge, allowing divers to easily monitor remaining air supply for enhanced safety. •【Ergonomic Silicone Mouthpiece】Equipped with a comfortable silicone mouthpiece designed for extended underwater use. •【Safety Pressure Relief Valve】Incorporates a top-mounted pressure relief valve for easy venting of internal pressure when needed. •【Portable Design】Lightweight and compact, with a detachable breathing valve for safe air travel and easy transportation. Specifications: •Cylinder Capacity: 1L •Material: 6061 Aviation Aluminum •Maximum Working Pressure: 20MPA/200BAR/3000PSI •Recommended Diving Depth: Within 10 meters for recreational use, up to 30 meters as backup •Usage Duration: 15-20 minutes (varies based on depth and individual breathing patterns) Package included: •1 x Oxygen Tank •1 x Shoulder Carrying Strap •1 x Diving Goggles •1 x High-pressure Air Pump •1 x Carrying Bag •1 x Accessories Kit •1 x Multi-language User Manual (Chinese, English, German, Japanese, French, Spanish, Italian, Russian)