8 channel 240 fps Software-Compressed eDD2 DVR Card: PCI Capture, H.264 Records in H.264 Compression at 320x240 or 640x480. Adjustable recording frame rate per camera at 320x240 up to 30fps per channel. Choose from up to 3fps at 640x480 Dual-Stream encoding for high quality recording Main Stream and low data consumption remote Sub Stream PTZ controls (using optional RS232/RS485 Adapter). Protocols include: Pelco P, Pelco D, Lilin, Minking, Neon, Star, Video, DSCP, VISCA, DH-SD Mobile device viewing apps