... camera, dome camera,zoom dvr,digital speed dome camera,mini dome camera,IR Camera,security camera, IR camera security, ... high-speed focus-Enhanced IR sensing-Continuous tracking and auto focus Resolution High resolutionSignal modelPAL/NTSCImage sensor1/4" CCDEffective ... and ultra-high speed focus functionGain Control Auto/ManualWhite balanceAutoIris AutoS/N radio >50dB(Enhanced)Electronic shutter 1/50~1 ...