The Adanac 4000 Digital Stopwatch is a stopwatch timer that meets the standards of NSN 6645-01-106-4303. It is water and dust resistant, and has the reliability and durability to satisfy the needs of most demanding users. The Adanac 4000 is designed for comfort and convenience of use in many scenarios, whether it may be running, cooking, tactical applications, or anything in between. Able to reliably meet all of your timing needs, the Adanac 4000 uses a jumbo display for maximum legibility. A reliable all purpose stopwatch packed with features that will leave you satisfied, the Adanac 4000 is also laser tuned to achieve 1/100 second accuracy as to ensure anything you may time with the Adanac 4000 is the guaranteed most accurate result you can get. It comes with a 46″ lanyard.