NeuroTek Warranty Information NeuroTek Corporation warrants this equipment to the original purchaser against defective material or workmanship during the warranty period from the date of purchase. The manufacturer's responsibility under this warranty is limited to the repair or replacement of defective part or parts. The warranty period: 90 days on components that connect with wires. This includes cables, wired pulsers, headphones and AC Adapters. One year on all other parts and components. The manufacturer reserves the right to determine whether the part or parts failed because of defective material, workmanship or other causes. Failure caused by accident, normal wear, alteration, misuse, tampering, negligence or improper packaging of returned units is not covered by this warranty. This warranty is void when product is used by multiple therapists in a shared environment. Please be advised that if a product is returned for warranty service and no defects are found or the problem is due to a weak/dead battery or operator error a shop charge and return shipping costs may be charged. All warranty repairs must be done by NeuroTek or a representative designated by NeuroTek. Any repair to the equipment other than by these authorized facilities voids this warranty. The rights under this warranty are limited to the original user and may not be transferred to subsequent owners. To receive warranty service, you must first contact NeuroTek for a return authorization number. This number will be used for tracking your return. Send the complete unit, postage paid, to NeuroTek. Include a description of the problem you are having.