Unauthorized/Counterfeit products don’t qualify for 2 year warranty and after sales tech support. The independent use or installation of such counterfeits into other equipment may result in, among other things, poor performance, malfunction, and/or serious injury. We have no responsibility for any damage arising from or in connection with counterfeit products. For our customers to reduce their risk of receiving counterfeits we recommend they purchase directly from Xeltek or through our authorized distributors. If you have any questions, please contact us.