◆Type：DFYD-L-B
◆Luminous Intensity：≥0.75cd
◆Time of Power：≥8h
◆Operation Voltage：3.6V
◆Stowage Environment Temperature：-30℃～+65℃
◆Water-activated Temperature：-1℃～ +30℃
◆Lighting Form ：Flashing
◆Flash Frequency：50～ 70times/min
◆Color of Light：White
◆Weight(including battery)：≤ 150 g