The Brunton 9045 Chill Compass might just be the handiest key fob you've ever owned. It has both a 5° resolution compass and a thermometer, along with an orange lanyard for looping on your keys and keyless entry remote. The weatherproof Chill measures 2.4 x 1.8 x 0.5" and weighs just over a half an ounce.
UPC: 080078917455