Power Adaptor Plug

February 27, 2010 10:02 AM | Alaskan Photo Tours | No comments

What size adapter thingy to connect my power supply needs? I have an external hard drive needs a power source 12v, is that I do not know if this is a 2.5 mm socket, or a power of 2.1 mm or what?? The site says I need one of these I can not find anywhere […]