These handy-sized dual timers can time up or down from 99 minutes and 59 seconds with a bleeping alarm. Dual power functionality means they're always ready to use. Easy-use push buttons. Ideal for scientific experiments, circle time, games, test timing and more. Colour coded for easy identification. Size 65 x 65 x 13mm. Display 53 x 25mm. Available as a set of 5 or a class pack of 30. Class pack supplied in stoarge tray with foam insert and lid.