Armasight HD DVR High Definition Digital Recorder for All Digital and Thermal Devices It adapts MPEG-4 video compression with resolution of up to 704x576, 30 fps It is a fully real-time, high-definition, low power consumption, easy-to-operate professional video recorder. The DVR supports SD cards of up to 32 GB and direct playback by TV-sets, monitor, and PC by SD card reader