1. The airbag inflator capacity: 16.5L2. Intracapsular compressed gas Weight: 33g(Gas Cylinder Not Included, Becasue it is forbidden to ship by Air)3. Inflation time 5 days6. High-pressure gas cylinders: a disposable, replaceable7. Balloon atmospheric pressure: 120mm10. Max weight of people: 120kg11. Widely applicable to: passenger ship, yacht, assault boats, rubber kayak, maritime, water, water, police, water anti-smuggling, water construction work, offshore drilling platforms, flood relief, hydrology, water and other life-saving place.12.Automatic Inflatable Working Principle: Water soluble tablets react with water and puncture the top of the cylinder. The gas is released and the life jacket is inflated.13.This item just without a cylinder, one of the water soluble tablets are included-------------------Package included:1 x Like Vest-----------------------NOTE:1.Please do not use mouth to inflatable lifejacket before use the automatic inflatable device to work. It is very dangerous because the lifejacket will be danmaged2.This product has two models, there are no words and words. The Yellow/Red/Rose Pink/Orange Red have words.Please confirm before you order3.This lifejacket can work both automaticly and manually,the Water soluble tablets and cylinder are disposable,only replace the cylinder when second time use it,you can pull the pull rope to make the ciylinder work.-----------------Instructions1.Mouth-blown inflatable:With the mouth to the inflatable tube inflatable lifejacket can full of gas2.Automatic inflation: After drowning, automatic inflation device will automatically inflatablewithin 5 seconds(you need to buy Co2 cylinder)3.Manual inflation:Hand rope will stimulate the inflator to inflatable lifejacketAttention:1.Please allow 1-3 mm error due to manual measurement (1 inch = 2.54 cm);2.Item color displayed in photos may be showing slightly different on your computer monitor since monitors.Thank for your understanding.