High Tech Power Pet Doors use ultrasonic collars. There is a version which is not waterproof and one that is waterproof. If you have a Golden Retriever and a pool, pay a little more for the water proof collar. Battery life on these collars is approximately 3 months.
FULL ONE YEAR: Should you find any defect or if your product fails to perform as advertised, we will repair or replace it at no cost for up to one year from the original purchase date. On request, we send you a shipping label for free return of your defective item. That's how confident we are that you will be absolutely delighted with our exceedingly high quality products and friendly service. *Applies to all orders within the United States. International customers are responsible for their own shipping charges.
LIMITED LIFETIME: If after one year from your original purchase date, your High Tech Pet product fails to operate as advertised, we will replace accessories with a new one for 1/2 our advertised regular retail price, published at the time you return your item. Please note: replacement collars come without a battery.
IMPORTANT NOTES: Warranties do not apply to batteries. We do not accept batteries for replacement or refund. Collars returned under warranty will be repaired or replaced and shipped back without a battery. If desired, a new battery may be ordered separately. It’s important to understand that Limited lifetime warranty applies to products manufactured by High Tech Pet. Some products sold on this website are manufactured by third party vendors. Our limited lifetime warranty does not apply to products sold on this website that are not manufactured by High Tech Pet.