Graphtec Servocorder DX SR6335 Vertical Face Recorder Recently retired, basic functions have been inspected & tested and unit appears to be in good working order. No extensive testing conducted, does include a 30-day money back guarantee! If there is anything wrong with the item that you have purchased, please contact us directly and give. us a chance to help, we respond quickly and will ensure you are satisfied with your purchase and experience! Please do not leave negative feedback or open any disputes with eBay or PayPal. Contact us directly and we will fix the problem quickly. We strive for 5/5 Star service! Fast & Free shipping!