... lights flash light 1. high effiency 2.waterproof 3.cree chips 4.CE&RoHS Model No.HY-WF-501BLED sourceCree Q5Model ... made-up as below:Output: high-middle-low-flash-SOSLed chips: cree(Q3,Q4,Q5,R2,R5 t6 u2)LED color ... appearance. ttery powered flashing lights led flash light with cree chips waterproof