JD2-300-89型火箭降落傘火焰信號 Model JD2-300-89 Marine red flare Parachute Signal 用于船舶、救生艇和救生筏長距離的遇險(xiǎn)信號 for long range distress signaling from ships,lifeboats and liferafts. 發(fā)光強(qiáng)度 ≥30,000cd Luminous Intensity 燃燒時間 ≥40s Burning Period 到達(dá)高度 ≥300m Reach An Altitude