This thing is H U G E... A big 36 inches long and almost a foot deep It is so clean and sounds pretty good with surround sound, But it only takes 8 Dcell batteries. The disco light is also a cool feature But of course like most conion's a working burglar alarm. I already tried it out on my G.F and she jumped back 20 feet Well I guess if I cant afford the C100 yet this will do for now