GPS-based speed and distance sensor for all outdoor sports clips fast and easy to your arm or any strap and belt:
Easily operated with: "one-button - one-mode" Send 2D speed/distance information at speeds less than 20 km/h. When speed is 20km/h or faster, Pod sends 3D speed/distance information to wrist-top. Transmission range of up to 5 m. Dimensions: Diameter 68 mm / Thickness 22 mm Weight: 77 g (including batteries, but not uncluding clip fix and strap) | 
