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Provides 2, 5, 10, 20, 30, 50 mA drive current with a push of a button 7 Middle positions set at 10mA allows comparison of several LEDs Requires 9V Battery (not included) Pocket Size Provides a quick way to check color, brightness and uniformity
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🇺🇸 Ship from USA · On Agora since 2026
$7.95