SPECTRA MINI DOME SYSTEMColour 10X Surface Mount/In-Ceiling - Indoor1/4" Interline CCD Colour460TVLMinimum Illumination: 3.0 luxLens: F1.8 (F= 4.2~42 mm optical) 10X optical zoom, 8X digital zoomZoom Speed (optical range): 1.5/2.5/4.3 secondsHorizontal Angle of View: 46.4° wide zoom, 5.0° telephoto zoomFocus: Automatic with manual overrideIris Control: Automatic with manual overrideSync System: AC line lock, phase adjustable via remote control, V-SyncWhite Balance: Automatic with manual overrideShutter Speed: Automatic (electronic iris)/manual 1/60 ~1/30,000Gain Control: Automatic with manual overrideZone Blanking64 Presets140°/second Pan SpeedProportional Pan and TiltProgrammable Zoom SpeedsIntegral, Autosensing, Multiprotocol ReceiverAuto Flip Dome RotationQuick Connect Cable for Power, Video (Coax or UTP), and DataClear Dome CoverInput Power: 18-30 VAC; 24 VAC nominalInput Power: 21 VA nominal