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Top Deal Review - Garmin 72H Waterproof Handheld GPS

Technical Details
Marine-friendly handheld floats in water and is IPX7 waterproof
120 x 160 pixel grayscale display and 18 hour battery life
High-sensitivity GPS receiver acquires satellite signals quickly
Tracks your location in challenging conditions, such as heavy tree cover or deep canyons
Built-in celestial data includes tide information, sunrise/sunset times and hunting/fishing calendar