... 50 3percent Hz / 110 20percent V, 60 3percent Hz 19.Working Temperature -10 degree ~ +55degree Working Humidity 10percent ~ ... be packed in good appearance.6.Our productCCTV Camera, IP Camera, USB camera, car camera,standalone DVR, all in one LCD combo DVR, car DVR, DVR ... card, CCTV KIT, Wireless surveillance systerm,LCD and Monitor, lens ...