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SD4223C-H
> 540TVL ,Powerful 23x optical zoom
> 1/4" CMOS High resolution@540TVL
> Day/Night (ICR), 2DNR, Auto iris, Auto focus, AWB, AGC, BLC
> Max 300°/s pan speed, 360° continuous pan rotation
> Up to 255 presets, 5 auto scan, 8 tour, 5 pattern
> Built-in 2/1 alarm in/out> Support intelligent 3D positioning with DH-SD protocol> IP66 -10ºC ~ 55ºC / Less than 90% RH