Starteck2002
New member
Obviously it's a cartridge
It has a wire coming off one side with a plunger type switch on it. I suspect it may be some kind of reset cart (action replay) but don't really want to plug it in and find out. Large version here: https://www.dropbox.com/s/fto94o2w1djs95d/2013-12-19 18.31.18.jpg