The ADANAC 3000 Digital Stopwatch is water and dust resistant, comes with a 46’’ nylon lanyard (neck strap) and is jam packed with features. It is laser tuned for 1/100th second accuracy. This stopwatch times 1/100th second for 30 minutes, then 1 second increments up to 24 hours. It can time single and split events, with split-mode timing to freeze the split-time display while total timing continues. It also features time and calendar with alarm. There are separate start-stop and reset buttons, it is durable, compact and easy to use. This is the perfect stopwatch for any Phys-Ed teacher or coach.