Korean 1099 scheme, IR-CUT day and night switching, output image is natural clear in day, night vision through noise point is small. Control circuit adopts constant current constant voltage design, built-in lightning-proof module, video lightning-proof effect voltage wave 10/700US 4KV (response speed less than 50PS), power lightning-proof effect, combined wave 1.2/50us&8/20US 4KV - 2KA (response speed less than 50PS).Kä ye looi bɛ̈n looi bɛ̈n looi bɛ̈n looi bɛ̈n looi bɛ̈n looi bɛ̈n looi bɛ̈n looi bɛ̈n looi bɛ̈n looi bɛ̈n looi bɛ̈n