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5mW 650nm Red Dot Laser Line Module - Silver (3~5V)
Focus length is adjustable; Red dot pattern; Built-in drive circuit can supply power diretcly Output: red£¬ dot (650nm) Voltage: 3.0~5V Current: 40mA (MAX) Interface: DC 5.5 * 2.1mm Widely applied in: - Gunsight positioning - Laser testing tools - Concentricity positioning - Medical equipment positioning - Signal equipment production - DIY projects and teaching experiments