This portable 0.5L mini scuba tank is your compact solution for underwater exploration and emergency breathing. The lightweight, durable cylinder delivers three to eight minutes of underwater time, perfect for shallow dives, snorkeling, and casual water adventures. The kit includes everything you need: the aluminum tank, food-grade silicone mouthpiece, anti-lost lanyard, carry bag, and hand pump for backup inflation. Safety is built in with a 5000 PSI explosion-proof valve design that automatically releases excess pressure if needed. The corrosion-resistant construction works in both saltwater and freshwater environments. Whether you're a beginner exploring reefs or looking for an emergency backup system, this diving companion offers travel-friendly convenience. The detachable design makes storage and transport easy for beach trips and vacations. For quick refilling, use a tank adapter or air compressor from your local dive shop. Complete your underwater journey with confidence knowing you have reliable, portable breathing support whenever you need it.