This SolarEdge P320-5NC4ARS was removed from a working environment. CLR Solutions has inspected and found it to be in good condition. This power optimizer requires a SolarEdge inverter to function. There may be a number written in permanent marker, scratches, scuff marks, and/or fading of the black metal, but it is in otherwise good cosmetic condition. This listing includes just the SolarEdge P320-5NC4ARS module. The following are NOT included: instruction manual, mounting bracket, cables, or any other accessories. It comes with a 30-day warranty. Because this is a multiple quantity listing, the item received may appear different, but will only be in similar or better condition than the one pictured.