The Reaction Timer with Decision Function measures reaction time using a large LED or beeper. It can be initiated by a second person or the person being tested by pressing a button. The delay time is completely random, lasting between 10 and 90 seconds before activation.

Run the IEC Reaction Tester using only LED, beeper, or both in combination. Additionally, it can function as a single decision tester, where a light is turned on and a button is pressed, or as a dual decision tester. Easily arrange the wooden block reaction timer by attaching a press button and 1m cable.

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