Amazon.com: Tractive GPS Tracker & Health Monitoring for Cats (6.5 lbs+) - Market Leading Pet GPS Location Tracker | Wellness & Escape Alerts | Waterproof | Works with Any Collar (Dark Blue) : Pet Supplies
Amazon.com: LandAirSea 54 GPS Tracker - Made in the USA from Domestic & Imported Parts. Long Battery, Magnetic, Waterproof, Global Tracking. Subscription Required : Electronics