4ch HD TVI DVR

4ch HD - SDI Sdi Video Recorder 1920 x 1080P Resolution Real-time Recording Stand Alone DVR Description: 1. Each channel supports dual stream compression, of which the main stream support up to FULL HD (1920x1080) resolution, sub stream supports up to D1 resolution 2. Video encoding parameters of each channel are independently adjustable, including resolution, frame rate, bit rate, and image qualities. 3. Each channel supports two sets of compression parameters (normal and