5 Years old and used sproadically, so difficult to estimate use . In very good condition, comes with manual and safety goggles. Comes with built in key lock and timer. https://solarcsystems.ca/products/500-series/ https://solarcsystems.ca/product/solrx-500-series-hand-foot-and-spot/ Never before has a mid-size UV phototherapy device been capable of so much. The 500 Series can be used for both Hand / Foot and Spot treatment of nearly any area of the body. This powerful device has proven to be a convenient, effective, and economical alternative to phototherapy in a clinic. This 500-Series comes with 5 Philips UVB-Narrowband bulbs – the very same bulbs used by phototherapy clinics worldwide. All of the devices listed here are for use with 120-volt supply power.