https://www.amazon.com/Pet-Urine-Detector-365NM-Black-Light-Flashlight-Precision-UV-LED-Pee-Finder-Tool-Locate-Cat-Animal/dp/B00E9T92L6
http://www.ebay.com/sch/i.html?_from=R40&_trksid=p2050601.m570.l1311.R1.TR12.TRC2.A0.H1.XUV+fla.TRS0&_nkw=uv+flashlight&_sacat=0