... 3G View H.264 main profile compression algorithm ideal for standalone DVR Support VGA output and TV out 8CH DVR ... VGA,3G ViewFeaturesH.264 main profile compression algorithm ideal for standalone DVR4 channels Realtime full D1 recording or 2 channels ... management / IP search / network alarm center functions, support WEB client, standalone client and SDKWith the sound system for the protection circuit ...