Portable and Easy to Carry: This reusable scuba diving tank is designed for convenience. After you disassemble the compact scuba tank, you can take it with you on any airplane and enjoy your dream vacation<br> Constant Pressure Valve Brings A Smooth Breathing: Diving scuba cylinder adopts a constant pressure air outlet device, providing a consistent air supply in different environments and diving depths to ensure a comfortable and safe underwater exploration<br> Up to 10 Mins Breathing Time: The capacity of the portable scuba tank is 0.5L, which can provide about 5-10 minutes of breath. Suitable for diving in shallow water such as diving exercises, swimming pool salvage, or for emergency underwater search and rescue<br> Durability and Safety: DEDEPU mini scuba tanks are made of high quality Aluminum Alloy, which have exceptional durability and corrosion resistant. All lung tanks are DOT-certified to ensure safe and reliable diving experience<br> Well Made: Equipped with an instant waterproof luminous meter, you can easily monitor the remaining gas level of your tank during dive. Please do not exceed 33ft diving depth