Whistle Switch – more than just a collar, it’s a personal trainer and health monitor for your dog! Real-time GPS tracking, activity monitoring, and even health insights—from excessive scratching to appetite changes. Powered by the Pet Insight Project, with instant access to veterinarians via VETINSIGHT. Waterproof, equipped with two interchangeable batteries, and featuring a 24-hour activity log—perfect for dogs 5 lbs and up. No more worries—you’ll always know where your furry friend is and how they’re feeling