CHT1230 12mm Red Dot Laser Module 5mW

This is a genuine laser diode module, not an LED pretending to be one - the 650nm wavelength puts it squarely in the visible red band, and 5mW output power gives a clearly visible point at range while staying within commonly-available low-power laser classifications suitable for hobbyist projects. An adjustable focus ring lets the beam be tightened to a sharp point or slightly diffused depending on the working distance a project needs, rather than being locked to one fixed focus from the factory.

At just 12mm in diameter, it mounts easily into compact enclosures or 3D-printed housings without much design accommodation, and the manufacturer's own testing claims a visible reflection at distances exceeding 1000 meters on suitable targets - real range for outdoor alignment or signaling use, not just a tabletop demo. A straightforward 3-5V operating range keeps it compatible with common microcontroller-driven switching circuits.

Common uses are laser tripwire and beam-break intrusion detection projects (paired with a photodiode receiver), laser pointer and presentation aid builds, and alignment or targeting applications in robotics and CNC projects needing a visible reference point.