Traceable Flashing LED Alarm Timer

Convenient laboratory timer with giant size digits over 1'' high that are visible from a distance of up to fifty feet. Allows program setting of 3 countdown times into memory. Use any countdown time from 99 minutes, 59 seconds to 1 second. When zero is reached, the timer starts counting up to show time elapsed since alarming. Visual indicator flashes green light at 10 seconds when counting down and red light when zero is reached and alarm is sounding. Features adjustable alarm volume and mute. Supplied with certificate of calibration and battery. Channels/Zones: 1 Timing Capacity: 99 minutes, 59 seconds Timing Accuracy: 0.01% accuracy Timing Resolution: 1 second Additional Functions: 1-inch display, Flashing LED, Adjustable volume Memory: Yes 3 Count Up/Count Down: count up/down Dimensions: 3 1/2 x 2 1/4 x 5/8 Inches Weight: 2 1/2 Ounces Traceable: YesShipping Weight: 0.5 lbsShipping Dimensions: 3.00 x 4.50 x 1.00Research or further manufacturing use only, not for food or drug use.