You are purchasing the ELECTRONICS control circuit board as shown in the picture Safetronics A650-MB-1,  A650-MB-2s . This was a new replacement part removed from inventory for decommissioned equipment. You can plug and test and utilize this board for 2 week warranty from time of purchase. you have warranty, two weeks from time of purchase, no exceptions. As shown this unit stil shrink wrapped in heavy plastic. I will not remove from PLASTIC as it is sealed!!!!! Feel free to ask for pictures, The Used cost for replacement is $1800 or more NEW is about $3000, This new unit Can be purchased for $1200.  I am a disabled veterans business and appreciate your patronage, Please review my feedback as I am a past facility Engineer and sell many parts for equipments. Once again no returns for wrong equipment ordered. I am disabled veterans business and appreciate your patronage!!!! Shipping Free.