OCEADIVEO 0.5L DOT Mini Scuba Tank with Pump, DOT Certified Portable Diving Oxygen Tank for Snorkeling & Shallow Water

["COMPACT 0.5L MINI SCUBA TANK KIT: This portable diving system includes one 0.5 L mini scuba cylinder, one anti-lost lanyard, one backpack, and a hand pump for backup inflation. Each tank provides 3-8 minutes of underwater breathing time, making it the ideal lightweight and compact solution for shallow water snorkeling, leisure dives, and emergency backup use.","PREMIUM & SAFE CYLINDER DESIGN: The tank features a food-grade silicone mouthpiece for safe, comfortable breathing. The detachable cylinder body and valve head make it easy to carry and store, while the included anti-lost lanyard keeps the mouthpiece secure. The carry bag protects your tank from scratches and debris, extending the life of your diving gear.","TRUSTY UNDERWATER DIVING COMPANION:Perfect for exploring reefs, shipwrecks, or enjoying casual dives with friends. The compact and travel-friendly design is easy to pack for beach vacations, island trips, or pool practice. Whether you’re a beginner or a hobbyist, this kit lets you explore the underwater world with confidence.","BUILT-IN SAFETY FOR PEACE OF MIND: The valve head incorporates a 5000 PSI explosion-proof design. If internal pressure exceeds the safety threshold, the copper disc will automatically release excess gas, preventing overpressure risks. The cylinder is made of durable, corrosion-resistant material, suitable for use in both saltwater and freshwater environments.","COMPLETE KIT WITH CLEAR USAGE GUIDANCE:Full set contains: 1×0.5L tank, anti-lost lanyard, carry bag, hand pump & detailed manual. Hand pump only for emergency backup filling; manual pumping takes time. For quick refilling, use tank adapter or air compressor (sold separately, available at local dive stores). Prompt after-sales service available; contact us with any product questions."]