This is a wireless timer remote control that will give you access to control your compatible camera from up to 80 meters away with a 2,4Ghz connection. It is compatible with Cannon, Pentax, Samsung GX-1L/ GX-1S/ GX-20/ GX-10/ NX100/ NX11/ NX10/ NX5, and Contax 645/ N1/ NX/ and N Digital cameras. The boxes do have damage however, nothing was done to the devices. There will be a set of 3 controllers in this listing.