You will see a selection o' water rockets HD onboard videos. Ya scallywag! HDDV-MF504A is a very small HD camera with only a weight o' 94gr. incl. Begad! battery and 8 GB card. O' course, arrr, it is a big risk if t' rocket crashes. I payed for this camera about 100 Euro. Direkt imported from Japan by internet. If you want, visit me homepage swisswaterrocket.piczo.com