Description： Material：ABS Color：Army Green Size (L x W x H)：75 x 39 x 25 mm The 10 functions of these tactical compasses are： 1, Thermometer for measuring ambient temperature 2, Hygrometer for measuring humidity 3, LED Light 4, Reflective mirror for using sunlight to send light signals for attention 5, Spirit Level 6, Compass 7, Whistle for emergency use 8, Flint for starting camp fires 9, Magnifier for added map accuracy 10, Ruler for distance measurement Package Included: 1PC x Compass.
eBay