... : 512(H)*492(V) Signal System:PAL/NTSc CCTV security Surveillance camera, CMOS Color 420TVL 24LED Audio IR CameraThis is the ... Audio, Provide a clear , true vision and sound for Security surveillance in the whole day (24hours). *This camera catch perfect balck ... + color pictures during the day time.*Whether day or night , under the indoor electric lights , camera can catch best color pictures ...