> 4-channel smd plus for analog channels which allows the device to trigger accurate alarms for humans and vehicles. > 4-channel ai coding saves on storage and bandwidth while maintaining the details of targets in videos. > supports hdcvi, ahd, tvi, cvbs and ip video input. > supports up to 5-channel ip camera input and each channel can be up to 2 mp. the incoming bandwidth reaches 20 mbps. > smart h.265+ and h.265 dual-stream video compression. analog camera input 4 bnc ports, supports hdcvi/ahd/tvi/cvbs auto-detect camera input 1. cvi: 1080p/30 fps; 720p/60 fps; 720p/30 fps. 2. tvi: 1080p/30 fps; 720p/30 fps. 3. ahd: 1080p/30 fps; 720p/30 fps. ip camera input up to 5 channels of ipc access 1 ip channel by default + 4 channels (analog channels are converted to ip channels) .