For scientific experiments such as chemical reactions or competitive environments like sporting events or school sports, you're likely to need and important piece of equipment - a stopwatch. Our economy stop watch provides an accurate timer with 1/100 second precision (for the first 30 minutes) it provides you with an excellent way to pin point how long an event, like someone's running time, has taken. There are three buttons at the top of the stop watch, 'Split reset', 'Mode' and 'Start Stop', making the device simple to use - with a neck cord attached so they can be secure whether in use or not, meaning they're not easy to lose. When not required they will fit nicely into a draw, they have a daily alarm and an hourly chime enabling you to use them for long period events such as scientific experiments. The big digit displays make them easy to read, they also have a calendar and time (12/24 hour format) allowing you to use them as a regular watch. Our economy stopwatch is effective and simple to use - they're supplied with a battery, 12 months guarantee and have next day delivery to get you off the mark quickly.