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Science Fair Projects Kit Name -

2-Hour Digital Countdown Timer with LED Display (Fully Assembled) (Special Deal)

Science Fair Projects Kits Review 2-Hour Digital Countdown Timer with LED Display  (Fully Assembled) (Special Deal)


Brief Description of this Kit:

A countdown digital timer which can be set to any time interval from 1 minute to 1 hour and 59 minutes. Once it has been set it starts counting down until it reaches zero at which time the relay will be activated to turn on or off any equipment. It features a PC board mounted 4-digit 7-segment LED display. Relay: 3A @ 110V AC. Supply voltage: 12V AC C.T. @ 300mA.
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