1. The 4L oxygen cylinder allows the diver to stay 1-10 meters underwater for 40-60 minutes (depending on individual lung capacity and depth of diving), perfect for beginners.

2. Supports 3 types of inflation: Manual high-pressure Inflatable pump, aqualung switch, electric inflator. (Inflator Pump is more laborious and takes a long time. It is recommended to use aqualung switch, electric inflator.

3. Uses 6061T6 aluminum material and meets the manufacturing standards for diving equipment.

4. Breathe underwater diving with total freedom.

5. Made of aviation aluminum material and meets manufacturing standards of diving equipment.

6. It is waterproof, corrosion resistant, high hardness, and durable.

7. The pressure gauge is connected with extension hose; it is more convenient when you use it underwater, and you need to check how much air left.

8. The pressure gauge has a luminous function, and the water is still clear at 80 meters. Made of high-quality PT, aviation aluminum, it is waterproof, corrosion resistant, high hardness, and durable.