Let me start off in sayin that im using this on a ds lite and it sticks out a bit double the size of the dust cover slightly bigger than a gba cart AND YOU NEED A SD CARD SLOT Heres more info Formats suported video ALL. Audio mp3 not been tryed dont like mp3s. Pics all again Battery it says GBA 9 hours nonstop DS 8 First impresions : Well its not for looking at like i said it sticks out a bit. Installing : a lota files to install (5) but theres a handy read me file. i reacon a noob can figer it out. Config : You need to convert files to gba format (prog included) its easy to do (recon my mum can do it) Qual : Dont go for the high compresion its awful. high qual is psp qual (take that sony) Film time : go for a 1 gig card (there geting cheaper) high qual 160 mins mid qual 400 rubbish 640 All in all buy one if you like to watch movies on the go 4 outa 5 any questions and get some head phones while your at it.