Whistle have added a new feature to their popular dog activity tracker. The new WhistleGPS, still comes with the same features as the previous version, it syncs automatically with your phone and lets you keep track and monitor your dog´s activity, giving you reports on day-to-day behavior and long-term health trends. But the new generation has some key new features, it now has integrated GPS, ensuring you´ll always have a way to find your furry friend. The WhistleGPS is completely waterproof with long battery life, uses Global Positioning Satellites to locate the bearer and breakthrough cellular technology to locate your pet on demand. Apps available for iOS and Android devices.