This Swiss Military Optical Range Finder is built tough to handle harsh Alpine terrain. Ready to pinpoint ranges up to 20,000 meters (12.4 miles). Perfect for all kinds of field uses, and quite the collection piece. 11.25x magnification Find ranges up to 20,000 meters (12.4 miles) using right thumb control Dual range scale windows Hermetically-sealed for weather protection No batteries required Includes hard-shell storage canister Includes both ground and table tripods Includes lathe board for field calibration