Traceable Flashing Led Big-Digit Dual Channel Timer, Times Two Different Activities Simultaneously, Each

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Times two different activities simultaneously. Fisher scientific™ traceable™ flashing led big-digit dual channel timer has a large, 0.63 In.-High lcd digits that can be seen from 20 feet away.Time each channel counts separately: 99 hr. 59 Min. 59 Sec. Down to 1 sec.Each channel has a distinct alarm and visual indicator when zero is reachedgreen light flashes during countdown; red after zero is reached and alarm is soundingaudible alarms have three settings: high, low and muted (silent)alarm may be turned off or silences automatically after 1 min.For repetitive timing, microcomputer chip memory permits two countdown timesfor normal timing, memory recalls last countdown time setmagnetic back, flip-open easel and opening for lanyard for easy placement of timeraccuracy: 0.01%Resolution: 1 sec.Order infol × h × w: 3.5 × 3 × 0.63 In. (8.9 × 7.6 × 1.6Cm); 3 oz. (85G)compliancetraceable to standards provided by nist™ (national institute of standards and technology); individually serial-numbered traceable™ certificate iso 17025 calibration laboratory accredited by a2la