Main technical parameters????eight??le;1kg????uoyancy??ge;150N????ngle in water??ace plane angle≥40°??runk angle≥30°????reeboard ≥120mm????nflation time ≤5s????loat duration??ge;24h????uoyancy loss after 24h??le;5%??8??O2 weight??3g ????mbient temperature for use??30°C??65°C??0??alidity?? years.