... 180°,auto reversal Rotation speed Horizontal & Vertical Min 0.01°,Max 200°/SCommunicationsRS-485, PELCO D, PELCO POSDYes Intelligent IR ... mist function(Optional) Resolution Super high resolutionSignal modelPAL/NTSCImage sensor1/3" CCDEffective pixelPAL:976(H) x 582(V) NTSC:976 ... slip ring, High-quality belts, Stable operation, high reliability.3, Stable running, none dithering under any speed.4, Cover ...