Every products are guaranteed for some times by the manufactures! We, as the 555 Systems Pty Ltd , passing this guarantee on to our customers. We are concentrating on high quality products and it is more likely that we will not send out faulty products what so ever, but if this happens, you, asa customer is entitled to return to us. All you need to do, is contact us, let us know the fault, and we will replace it, or organise a repair, or whatever procedure it requires