Specification1 Material Aluminum Alloy Silicone2 Surface Processing Hard AnodizingSpraying Treatment3 Color Yellow4 Capacity 0 5L5 Length 350mm6 Diameter 59mm7 Pressure 3000PSI 200bar 20MPa8 Water Volume 26 62cu in 0 42liters9 Gas Capacity 3 0cu ft 85liters10 Breathing Number 170times 0 5 Liters each time 11 Life Span Resistant to sea water corrosion for over 500hrs Features Mini portable suitable for outdoors and traveling 57 times breath above water or 21 times for adult under water The 0 5L oxygen cylinder allows the diver to stay 7 meters underwater for 6 10 minutes depending on individual lung capacity and depth of diving perfect for beginners Supports 3 types of inflation Manual high pressure Inflatable pump aqualung switch electric inflator Uses aviation aluminum material and meets the manufacturing standards for diving equipment Press and hold the top to vent the pressure inside the bottle Lightweight and portable design it can be taken on board after twisting the breathing valve Package Include 2x Oxygen Cylinder 2x Breathing Valve1x High High Pressure Air Pump1x Scuba Adapter1x Lanyard Rope1x Nylon Hand Bag1x Oxygen Cylinder Holder Bag1 x Tool Set1 x User Manual Work Time In 1 3m Deep 8 10minIn 3 7m Deep 6 8minIn 7 10m Deep 5 6min Three Inflateble Way 1 Manual high high pressure air pump Optional 2 From the big oxygen bottle Not included 3 Electric pump Not included Warning Please do not use this product before yo