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Tagg the Pet Tracker
$99.95 plus $7.95/month after initial 90 daysMSRP
Perfect for protective pet owners, this GPS-enabled device accurately pinpoints your pet's location. Set a home zone—a city block or a whole neighborhood—and should your pooch stray away you'll promptly receive a text or email alert. A built-in accelerometer also tracks activity throughout the day based on his or her breed; think of it as a Nike+ Fuel Band for your furry friend. Our reviewer awarded it four out of five stars
, calling it "fun to use" and "an invaluable safety net."