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Mainly used for laser toys, all kinds of level ground instrument etc., The laser head is composed of a luminous tube core, a condenser lens, adjustable copper sleeve is composed of three parts, the three-part is assembled, the focal length of the lens is good, and with a strong Glidewell, the user connected to the 3V DC power supply to work.
A small copper laser head(Red)
One thousand hours
Spot beam, continuous output
FifteenriceWhere is the spot10mm~Phi15mm