Featuring an extra-large, 4-digit LCD that can be read from 8 ft away, this timer/stopwatch can be programmed in the countdown mode from 99 minutes, 99 seconds to zero in any second increment. In the stopwatch mode, the unit will count up to 59 minutes, 59 seconds, and automatically roll over to zero and continue timing. The high-decibel alarm can be turned off manually or is automatically silenced after 1 minute. Individually numbered keys make it easy to set the timer, which is accurate to 0.01%. A magnetic back allows it to be placed on incubators, titrators, and most lab equipment. Timer also has a flip-open easel for standing on the lab bench, a spring fastener for clipping to a lab coat, and a hole for a lanyard. Comes with a 2-year, continuous-use silver-oxide battery. The timer is supplied with an ISO 17025 serial-numbered certificate to indicate traceability to standards provided by NIST. Dimensions: 2-1/2" x 2-1/4" x 1/2". Weight: 1-1/2 oz.