This ruggedly built, mechanical compact timer can be set from 1 to 120 minutes and features a loud 5-second ring that reminds you of elapsed time for all lab tests. Its high-impact ABS plastic construction makes it virtually indestructible and resistant to lab chemicals. Dial is graduated with oversized markings for easy reading. Selecting the time automatically winds the timer and the pointer always displays time remaining. The timer may be viewed from above, or it can be positioned to stand upright on a lab bench. Has a powerful spring that ensures 99% accuracy. Measures 2¾ x 2¾ x 2 in. and weighs 3½ oz.