This is a clock, timer and alarm in one! It has a large LCD display with clock, alarm and doubletimer. This compact timer has a stand and amagnet on the back, so you can place it on a magnetic whiteboard or fridge. The timer can count up and down, and comes with a memory function. The timer is not only very useful for classroom time management, it can also be used in the kitchen. Or use it for science experiments, and let the alarm function remind you when the time of the experiment duration is over. Or set the time at the beginning of a test and the alarm will go off when the time is over. An extremely versatile resource that can be used for endless activities, experiments and in all different classrooms; maths, science, English, etc. It measures 9 cm (L)x 1.5 cm (W) x 6.4 cm (H). The replacement battery is AAA.