Build to Last Premium stainless steel, aviation aluminum alloy 6061, rubber, and painting process make the whole scuba tank diving kit solid and durable, so it can better maintain beauty and practicability. High Efficiency High-quality pump, long high-pressure pipe (19.69inch), unidirectional inflation nozzle, and a maximum pressure of 20mpa of air tank, and a maximum pressure of 4500psi pump of can complete the pumping work for you in a short time, improving your efficiency. Large Capacity A 0.53qt air tank and a 3.0 Cu Ft gas capacity allow beginners to stay underwater for about 10 minutes, fully meeting their needs and allowing them to fully experience the charm of the sea. Waterproof Pressure Gauge This pressure gauge can emit light at night and still function normally at a depth of 262.47 feet underwater, with high cost-effectiveness. Practical Regulator It can be turned on at any time and balance breath on demand, bringing you more convenience. Complete Kit The combination of air tank, pump, and other accessories meets your various needs at once, so you don't need to purchase them separately, which is both convenient and cost-effective.