3V (6 mm) Red Laser Module useful to indicate different points or to build circuits that detect motion.
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The product is a very efficient laser diode module, powered at 3V.
With these modules and an Arduino development pad you can build your own laser harp, for example, or build systems that detect if the module has been moved, so noticing whether someone has opened a door or moved an object.
Careful! Do not point the laser beam to the eyes of people or animals.
Product intended exclusively for legal persons.
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