Warranty does not apply when the product has been incorrectly or improperly used, been subject to external influences such as power surges, acts of God such as flood or hurricane that damage the item(s), or opening or tempering of the product housing by persons other than authorized ZudSec personnel. Repairing of the unit must be done by qualified ZudSec personnel, the warranty expires immediately if the unit has been opened by non-ZudSec personnel.ZudSec assumes no liability for loss or damage to the equipment which may be caused during transportation. This warranty does not cover payment of transportation charges incurred for any send over of equipment to us. The customer is responsible for returning the defective product at his own expense. This warranty does not cover payment of transportation charges incurred for any send over of equipment to us.