The Trekers GPS Health Tracker allows you to pinpoint your pets location anytime, anywhere. The tracker incorporates a heart rate monitor and blood oxygen level sensor giving you a sense of your pet's health in real-time. All information gathered is relayed to our unique mobile app. The mobile app allows you to easily decipher your pets health in a concise weekly report that can be sent to your vet. The tracker is waterproof, hold a 30-day charge, and clips on to almost any collar band.