Type Technical specificationsDfyd-l-aDfyd-l-b Luminous intensityy0.75cdy0.75cdy0.75cd Time of powery8hy8hy8h Operation voltage2.9v6.0v3.6v Stowage environment temperature-30+65-30+65-30+65 Water-activated temperature-1+30-1+30-1+30 Lighting formEver brightFlashingFlashing Flash frequency 5070times/min5070times/min Color of lightWhiteWhiteWhite Weight(including battery)¨¹128g¨¹156 g¨¹150 g Ccs certification