USCAMEL Professional Mental Compass with Multifunction for Camping and Hiking Pocket Size Waterproof (Army Green, Dial # 50mm) Multifunction:High accuracy perfect for testing occurrence, Basic Orientation, terrain, Deviation Angle, vertical angle and topographic maps etc. Fluorescence:Special design of fluorescent light allows you to read data in dark environment after absorbing enough sunshine. Waterproof and shockproof:Suitable for motoring, boating, camping, mountaineering, exploring, hunting and other outdoor activities, Easy and convenient for your daily using. Durable design:Compass is designed to perfection with precision , made of high strength engineering metal. Durable metal construction, works well extreme weather condition. 100% satisfaction guarantee:USCAMEL provided 30 days money back guarantee with considerate customer service, we aim to give full satisfaction to all of our customers.