This Sutter Instrument LB10-B/IQ Lambda 10-B SmartShutter Shutter Controller is in great condition and is guaranteed to be functional. We urge customers to view all photos as they show overall condition, included accessories and useful information. Listing only includes what is shown in photos. Sale of unit comes with a 30-day full money back guarantee return policy. We will be happy to provide additional information as well as photos so please feel free to contact us with any questions.