Compliment your data gear with this handy item. This double-duty micro instrument attaches to your jacket zipper; pack; keys; carabiner; or the grommet in your Data Book Cover.

Features:

• Clear acrylic case is made of 100% virgin optical-grade acrylic
• Wind chill chart on back in miles per hour
• Compass and thermometer are cushion-mounted
• Non-magnetic brass splitring
• Liquid-filled compass has luminous dial
• 2" long (5.1cm); weighs 1/3 oz (9g)