What is the best gadget for pets? For your dog, it is the Retrieva Collar, the world’s first tracking and anti-theft dog collar. Using GPS technology, the Retrieva Collar will make sure Fido is never lost. The collar locates your pet and displays the information to you via computer or cell phone. Integrated, snug-fitting yet comfortable design, the collar is made of anti-cut webbing and includes automated tamper and anti–theft alerts.