This set of device has been especially welcome by instructors in diving and swimming schools. The modified NVR set in the waterproof box can be connected up to 4 also waterproof cameras that capture motions under water. The images under water were sent live through cameras to the mounted LCD screen where instructor would see gestures of swimmers or procedures of divers off-shore, thus shortening learning process. Additionally, the NVR itself has auto recoding/storage capability and playback mode, from which instructors could show students for skill correction or for fun.

AVerDiGi EB1304NET SATA-functional front panel which had saved customer lots of te+ was selected not only for its mobile application, but also the fully multichnical troubles when modifying the video case. The multi-functional front panel contains vivid icons from selecting different modes of camera screen display to easy surveillance data search by date, time, and event.