1.High definition H.264 Standalone DVR 2.8 channel Video,8 channel audio 3.8channel alarm input, hdmi input 4.4pcs SATA HDD h.264 8ch network dvr with hdmi input Technical parameters1. operating system:embedded Linux2. Operation interface:16 bit true color graphical menu interface , with Menu explanatory , support USB mouse3. Video input : 8/16 paths :BNC(1Vp-p,75Ω)4. Audio input: 8/16 paths :BNC ...