Wired OSD Controller for SmartControl® CAT5 Cameras. Works with EX1600ACRK SmartControl® CAT5 Decoder. Allows you to access the camera's OSD make precise adjustments right at the DVR. Now you can make all of your OSD adjustments from the head end on the DVR main monitor. No more ladders, no more hard-to-see test monitors. Another exclusive feature, only from Innotech!