[as picture shown]

Feature:
【HIGH-GRADE MATERIAL】: The mouthpiece of the breathing apparatus is made of food?grade organic silicon material, which is much safe to use.
【FINE CRAFTAMANSHIP】: Waterproof luminous pressure gauge, stylish and beautiful, suitable for use in dark environments.
【PORTABLE】: Small size, lightweight and portable, also easy to carry and store, bringing you a lot of convenience, also helping you to dive underwater completely freely, this is a practical and reliable diving equipment.
【EASY TO INSTALL】: With a top pressure relief valve, Diving Air Tank is easy to operate, just press the top to remove the gas in the bottle.

Specification:
Item Type: Diving Air Tank
Material: Aluminum alloy + stainless steel + silicone
Color: As Pictures Shown 
Air Tank Size: Approx. 29x6cm/11.4x2.4in
Weight: Approx. 1760g/62.1oz
Maximum pressure: 30000SI/200BAR/20MPA
Breaths: About 170 breaths per breath at 0.5 LLTERS
It can be used for more than 10 minutes (deep sea within 10m)
Surface treatment process: hard oxidation and spraying, seawater corrosion resistance for more than 500 hours
Duration of different water layers
1-3m, about 8-10 minutes
3-7m, about 6-8 minutes
7-10m, about 5-6 minutes

Oxygen cylinders are shipped without gas, inflation methods: high-pressure cylinders, electric air pumps,  adapters

Package List:
1 x Breathing Apparatus
1 x Adapter
1 x Storage Bag
1 x Manual 
1 x Oxygen Tank
1 x Anti Fall Rope
1 x Hanging Rope