... CCD 2, OSD manu control,simple operation 3, 27x optical zoom lens 4, Array IR Waterproof Camera ... Features:1,Unique design,patented product,with full metal meterial 2, with new led array chip,and it ... “light-halo”phenomenon 5, With IR cut filter,it can effectively solve the technical problems ... framedesign 7, Built-in cooling system,it can effectivelysolve the high-heat cooling problem ...