Son dos camaras usadas. El precio es por cada una.No precisa DVR. Se energiza mediante PoE o fuente no incluida.Modelo: DS-2CD2085FWD-IUp to 8 megapixel high resolutionMax. 3840 × 2160 @ 20 fps2.8 mm fixed lens120 dB Wide Dynamic Range3D Digital Noise ReductionSupport on-board storage, up to 128 GB