I've been using these exact types of timers for some years, they usually work okay. I recently bought a few more and the beeper is not anywhere near the volume as the older ones. Must keep it in the shirt pocket to hear it. Fresh batteries don't help.
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80-1675 - Countdown/up Timer
Counts down from one second to 99 minutes and 99 seconds and beeps when reaching zero Includes a magnetic strip and a clip on the back for easy placement Includes battery #80-1675 features a count-up timer as well
$12.86
OEELT333 - Big Digit Indoor Thermometer
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28-5131 - Photoelectric Relay Module
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$25.74
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34-1K - Resistor 1/4w 1K OHM Crbn Film 20 PER Bag, Carbon
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