SLT Easy Reader model EAR 340 ATTC with temperature control module. 120 V. 50/60 Hz. This is a visible light spectrophotometer for reading color development in assays performed in microtiter plates (i.e. 24-96 well). Printer and RS-232 outputs. ( Please decide for yourself what it does..we are not experts!! Specs taken off the internet) When powered up it reads Ram error. (I was told it is a low battery on the inside) After pushing clear it goes to the ready status. We are not technical with its operation so please buy accourdingly!! It is in very good condition! These sold for $9400 new!! Yikes!!! This may not apply to this item but included it just in case.. " The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item." Sale $149