20pcs 5V 650nm 5mW Red Dot Laser Head Red Laser Diode Laser Tube with Leads Head

20 5V 650nm 5mW Red Dot Diode Laser Heads. Wavelength: 650nm. Output Power: 5mW. Laser Shape: Dot. Wire connection: Red wire connect to Positive, Blue wire connect to Negative. In the case of factory defects, if available, we will replace the product for you.

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