1. Unique design even for people who wear glasses.
2. Patented design of optical refraction, which no eye strain even for long time.
3. Detachable 5inch monitor, combine goggle, separate monitor all in one.
4. Removable sunshade, more free style, more entertaining.
5. Menu for 5.8Ghz frequency table, the only one to DIY your favourite channel list.
6. Built-in DVR recording, one key recording/playback, with micro-SD card.
7. Support HDMI IN
8. With true diversity receiver module inside, autoscan.