DIDEEP X3000 5-10 Mins 0.5L Air Diving Cylinder Mini Scuba Tank for Underwater Exploration Emergency Rescue - Green Underwater Breathing: Allows divers to stay 1-10 meters underwater for 5-10 minutes,depending on lung capacity and diving depth,making it ideal for beginners Multiple Inflation Methods: Supports three types of inflation: manual high-pressure pump,refill adapter,and electric inflator for versatile use Durable Construction: Made from 6061 T6 aluminum,it meets diving equipment manufacturing standards for safety and durability Pressure Gauge: Equipped with a pressure gauge that shows the remaining air in the tank,ensuring safe and informed diving Ergonomic Design: Features an ergonomic silicone mouthpiece for comfortable breathing and a pressure release function for easy venting Specifications: Material: Aerospace Aluminum Maximum Working Pressure: 20MPA/200BAR/3000PSI Capacity: 0.5L Operating Depth: Up to 10 meters for recreational air supply,up to 30 meters as a backup air source Usage Duration: 5-10 minutes (Actual time varies depending on diving depth and individual breathing rhythm) Notes: The pressure of the oxygen cylinder cannot exceed 20 MPa (i.e. 200 BAR or 3000 PSI displayed on the pressure gauge). Before boarding the plane,please separate the breathing valve from the bottle body. You need to press the top to release the pressure before separating the bottle body. Package included: 1 x Mini Lung Air Tank 1 x Accessories Pack for Vulnerable Parts 1 x Multi-language User Manual (Chinese,English,German,Japanese,French,Spanish,Italian,Russian)