First thing I did with my GoPro was stream live video by using Wi-Fi to my iOS device. Second thing I tried to do was the same but with camera underwater, sadly after 1 foot the connection dies. So a wired method had to be taken. Below is the list of items I used to make this work.
1. Gopro Hero 3 Mini USB to AV Video Cable - $6.00
2. 30Ft Video AV Projector Cable - $7.99
3. GoPro HERO 3 Underwater Housing - $10.99
4. GoPro HERO 2 3 LCD WiFi Battery BacPac Backdoor - $3.99
5. Stainless Steel Water Proof Gland for 2-6mm Cables - $4.64
6. 3.5 Inch Small LCD Monitor with AV input - $11
OR (Optional) - 7 inch LCD Monitor 12V DC - $37.95
TOTAL SPENT: $44.61
1. http://r.ebay.com/J6iZgY
2. http://r.ebay.com/sLEita
3. http://r.ebay.com/toPhzt
4. http://r.ebay.com/oYIV9k
5. http://r.ebay.com/uQ9bYQ
6. http://www.aliexpress.com/snapshot/6029161525.html
OR (OPTIONAL) http://r.ebay.com/iWAe0f
This is for informational purposes only, I will not be liable for any damages to your device if you chose to do this. Experiment at your own risk.