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Eye Blink Switch works by aiming a sensor at the eye, blinking breaks the beam, which trips the switch and activates the attached communicator, toy, or computer function. Choose momentary, timed (1-120 seconds), or on/off output, set internal circuitry to activate with one or two eye blinks. Conveniently mounts to most eyeglass frames or head bands. Heat shrink tubing included separately for use in mounting if desired.
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