Suunto GPS Pod

Wireless sensor that uses a Global Positioning System to track speed & distance across wide variety of outdoor activities
Fast and easy to attach with clip or armband (included in the package)
Battery lifetime > 10 hours
Interference-free ANT Transmission Technology
Works with all POD compatible Suunto Heart Rate Monitors (t3, t4, t6, M5)
Water resistant to 1 m / 3,3 ft
Lightweight (only 72 g / 2,5 oz with batteries)