This Wallac TriLux MicroBeta 1450-030 Liquid Scintillation Luminescence Counter is in good condition and was removed from a working environment. This unit came from a local lab that had surplus inventory after upgrading equipment. We urge customers to view all photos as they show overall condition, included accessories and useful information. Although we do not have the means for full testing, we are offering a 30 day full money back guarantee return policy on this system. Buyer handling return shipping. We will be happy to provide additional information as well as photos so please feel free to contact us with any questions.