Note: exclude the co2 cylinder
1. float duration≥24h
2. Intracapsular compressed gas Weight: 33g
3. Inflation time <5 seconds
4. High-pressure gas cylinders: a disposable, replaceable
5. Intracapsular gas retention time:> 5 days
6. High-pressure gas cylinders: a disposable, replaceable
7. Balloon atmospheric pressure: <0.2kg
8. After the first shoulder surface angle: 30-45 degrees
9. Mouth and surface distance:> 120mm
10. Max weight of people: 120kg
11. 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.