13x30mm 30mw/3V 555nm Yellow-Green Laser Diode Module with Switch

This is a small laser module with a built-in circuit board.
It comes with a drive circuit, switch, and is pre-wired.
It emits a very clear yellow-green light, which appears brightest to the human eye at this output level.

I purchased this for repairing electronic equipment at my company, but the original equipment's specifications no longer match, so I am selling it as part of asset liquidation.

Ideal for repairing electronic components, laser sights for firearms, and various experiments.
*As this is a component, some technical skill is required for installation and wiring.
(Basic soldering skills and an understanding of voltage and current are necessary.)

There are scratches and dirt from the manufacturing/storage process.

★Brightness Guide
・Spot visibility in bright light: Possible
・Spot visibility in dark light: Possible
・Beam visibility in bright light: Barely possible
・Beam visibility in dark light: Possible
・Beam visibility in fog: Possible

Diameter: Approx. 13mm (metal part only)
Length: Approx. 30mm (metal part only)

Cable length: Approx. 75mm (red wire)
Operating voltage: 2.7–3.6V
*Focus is not adjustable.

(Confirmed to operate at around 2.8–3.2V. Two batteries are recommended.)
*Focus is not adjustable.
*The laser will light up when you connect the positive (+) to the red lead wire shown in the photo and the spring GND, and then press the switch.