MEyeProHD supports multichannel, 4, 6 and 9 cameras simultaneously. MEyeProHD can expand your vision; Control your monitoring device wherever you are. Support more dvrs just like port is 37777 34567 34599 8000 8080 5800 ect. Besides, MEyeProHD has more functions as below: Support snapshot. Support record video. Support video preview and snapshot preview.