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10X optical Mini Vandal-proof Speed Dome CCTV Camera AR-D661-81009A 10X optical zoom, 10X digital zoom 0.05°/sec Pan/Tile speed available Max 360°/sec high speed Pan/Tilt motion Day/Night function OSD menu to set speed dome functions Privacy zone function Provide keyboard shortcuts operation Compact and mini structureSpecifications Model AR-D661-81009A CCD 1/4" SONY CCD Max. Pixels 811(H) 508(V) 410K NTSC 795(H) 596(V) 470K PAL Effective Pixels 768(H) 494(V) 380K NTSC 752(H) 582(V) 440K PAL Horizontal Res. 500 TVL(Color),570 TVL(B/W) S/N Ratio 50dB(AGC Off) Zoom 10X optical zoom, 10X digital zoom Focal Length F1.8, f=3.8 38mm Min. Illumination0.7Lux (Color), 0.02Lux (B/W), 50 IRE Day & Night Auto / Color / B/W (ICR) Focus Auto / Manual / Semi-Auto Iris Auto / Manual Shutter Speed128X 1/120000 sec AGC Normal / High / Off White Balance Auto / Manual / (Red, Blue Gain Adjustable) BLC Low / Middle / High / Off FlickerlessSelectable Digital slow shutterLow / Middle / High / Off Pan / Tilt Range Pan: 360°(Endless), Tilt: 180°(Auto Electronics Flip)