... manu control,simple operation 3, 27x optical zoom lens 4, led array camera Features:1,Unique design,patented product,with full ... metal meterial 2, with new led array chip,and it is military-level 3, Dynamic Noise ... Reduction(DNR) to enchancesensitivity function 4, Double-glass design,and prevent “light-halo”phenomenon 5, With IR cut ...