Elecrainbow High Accuracy Multifunctional Military Marching Army Metal SightingField Compass,Outdoor Camping and Hiking Pouch Pocket Compass with Luminous&iexcl;&shy; Shell Material: Aluminum Alloy Metal & Glass Direction Angle: 360 degree;Weight:220g;Size: 85*63*30mm;Diameter: 63mm/2 inches Quicker accuracy with ergonomically and liquid-filled design, easy to use: Reference table to estimate distance and scope;Sighting window with sighting line. Made of tough,impact-resistant materials: Waterproof and shakeproof;Comes with water-resistant nylon pouch and lanyard. Keep it on a belt loop,backpack or keychain with portable pocket style With Glow-in-the-dark pointer inside,convenient night clearly viewing.Note: Luminous effect can only be seen after irradiation.With longer irradiation time, more durable luminous indication the compass will be.