AtriCure ASU2-115 Ablation Sensing Unit w/Foot Pedal This unit powers on and I get the displays shown in the pictures. It comes with the foot pedal, but I don't hear anything when I push the pedal. I don't know whether or not it needs another component to respond. It has some scratches and scuffs but is overall in good cosmetic condition. C4-4 fdk 81015258 The item offered here is in no way recommended or certified for any specific use. By purchasing this item, you agree that the seller shall not be held responsible or liable for any injuries or damages, whether incidental or consequential, associated in any way with this item. By purchasing or bidding on this equipment you are indicating your acknowledgement of an agreement to the terms of this disclaimer. "The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not buy this item unless you are an authorized purchaser. If this item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping the item."