The Tagg™ Pet Tracker lets you view the exact location of your pet at all times via your mobile phone or home computer. It uses advanced GPS tracking technology to keep tabs on your dog or cat and sends you a text or email notification if she leaves the specific area you designate. It even provides directions to your pet if he or she happens to wander off. Advanced GPS technology tracks your pet at all times Lightweight GPS tracker attaches to your dog's existing collar, and is designed to always be worn Easy to set up Tracking device is water-resistant and can be worn while swimming Battery can last up to 30 days on a single charge, but will vary based on usage patterns Recommended for pets 10 lbs. and larger; collar not included Internet connection and paid subscription to Tagg service required Tracking is currently available in the United States only (including Alaska and Hawaii) Receive text and email alerts when your pet gets out Track your pet's daily activities in one simple view Product weight: 1.16 ozs. View instructions for use