超长续航 500米远射 可调焦距 DLIGH 智能轻巧质保一年 光学透镜 USING HIGH-POWER HIGHLIGHTING L2 LAMP BEAD SECTION 2 26650 LITHIUM BATTERIES USED IN PARALLEL.LONG BATTERY LIFE.REAL. STRETCHING TO ADJUST FOCAL LENGTH,MEET VARIOUS CIRCUMSTANCES OF LIGHTING.