diving flashlight 1)switch modes can select 2)CREE Q3,Q4,Q5,R2,R3, ... ,R5) can be used as a light source diving flashlight1)switch modes can select:five-level switches(100%-50%-10%-Strobe ... glassOperating voltage: 3.0v-8.5vWaterproof: IP-X8Switch: the tail button switchProduct size: 53.5x280mmWeight:460g