This motherboard characteristic: Original, It is the original motherboard of Samsung refrigerator, which grow to be faraway from the unique machine. Programmed, It is the motherboard with whole program. As long because the mannequin is the same, it completely suits your machine. It works in nice condition, 100% tested before shipment. The motherboard look is assorted from the picture, but the mannequin is the same, please do not worry. Order notice: Before purchase, you please photograph your mechanical device mannequin and motherboard model to us for confirmation, it's very important, thank you. Replacing the motherboard demands some respectable knowledge, while you are no longer professional people, before you buy our motherboard, please contact the professional humans to examine the accurate problem, or please try to work out the difficulty is from motherboard. If the products no longer working when you received it , there can be many reasons.( please tell us in time along with your tested photos or message online,even video ). Before installing, it is best to ensure others components out of your product is one hundred pc work, in some other case it is going to cause our product don't work. Sometimes it'll also harm our products. if is rarely our responsibility, we are not settle for returns . Package List: motherboard 1pcs High high quality promised. one hundred pc usable !