1 x Laser module (13.5+/-2cm-wire) 1 x DC solder-free adapter
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 Dimensions: 1.38 in x 0.47 in x 0.47 in (3.5 cm x 1.2 cm x 1.2 cm) Weight: 0.71 oz (20 g)