Supported devices for The Observer XT - portable set-up The table below shows the maximum supported (1) resolution, (2) frame rate (fps), (3) number of devices and (4) recording time (hours). Tests were done on a Dell 3551 notebook.   Device Resolution Frame rate Number of devices Recording time   Axis M1075-L (separate videos, line-in audio and camera audio*) 1920 x 1080 25 30 2 1 Axis M1075-L (Picture-by-picture and Picture-in-picture, line-in audio and camera audio) 1920 x 540 25 30 2 1 Axis M1075-L + Epiphan Pearl Nano (separate videos, line-in audio and camera audio (no audio broadcaster)) (do NOT use picture-by-picture or picture-in-picture) 1920 x 1080 25 1+1 16 Axis P1375 + Nikon ME-W1 microphone (separate videos, picture-by-picture & picture-in-picture, camera audio only) 1920 x 1080 30 2 1 Axis P1375 + Epiphan Pearl Nano + Nikon ME-W1 microphone (separate videos, picture-by-picture & picture-in-picture (broadcaster view in camera view), camera audio only) 1920 x 1080 30 1+1 1 Logitech Brio* (separate videos, Picture-by-picture & Picture-in_picture, camera audio only) 1920 x 1080 30 2 1 Logitech Brio* 4096 x 2160 10 1 0.5   Logitech Brio* + Epiphan Pearl Nano (separate videos, Picture-by-picture & Picture-in-picture, line-in audio) 1920 x 1080 30 1+1 1 Logitech Brio* + Epiphan Pearl Nano (separate videos, Picture-by-picture & Picture-in-picture, Logitech Brio microphone)   1920 x 540 30 1+1 1 * When using the Logitech Brio camera you have to change the Color space to MJPG. See  Show frame rate, resolution and format .