This Quantum Northwest QNW 4 Position Turret Temperature Controller is in used condition and was removed from a working environment. This item came from a local lab that had surplus inventory. Unit was powered on and no further testing could be performed. We urge customers to view all photos as they show overall condition, included accessories, and functionality. We can accept PayPal or your credit card. Please feel free to contact us with any questions.

Please Note: As seen in photos an error message is present. This is most likely due to controller not being connected to necessary components. We assure this item to be fully functional with a 30 day money back guarantee.