Check the listing for details. Lake Shore Cryotronics Temperature Controller DRC 80C Made in Ohio Power On. Condition: Used. Listed at 29.99 USD. This unit has been tested to power on without additional testing due to limitations of equipment, expertise, or time. It’s sold as is due to age with our satisfaction guarantee (below). See photos and feel free to contact us with questions and offers. 30-day money-back guarantee: If unsatisfied for any reason, return for a full refund. We pay for return shipping.Contact us for refunds or returns instead of opening a return through ebay. We respond to messages within 1 business day. Hours of operation Monday-Friday 9AM-5PM.Our business depends on happy customers. We look forward to working with you. Your order will be shipped within 1 business day of purchase. It will be wrapped and packed with care.Contact us for expedited shipping, local pickup, volume shipping discounts, and other options.We’re happy to accommodate you.