This is a brand new, unused, original Optoma WU515T main board, we area dealer and service center and occasionally sell our over stock items that our service does not need any longer such as this one. Please compare the PT# and the pictured board with what you have so you are not buying the wrong part. Please note,manufacturersdo not take parts back so pleaseask any questions you see relevantand make sure this will fit your projectorbefore purchase. Thank you.