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650nm 100mW Red Laser Module Dot Line Cross Beam 3V Fixed Focus Locator

650nm 100mW Red Laser Module Dot Line Cross Beam 3V Fixed Focus Locator

Regular price $19.00
Regular price $22.00 Sale price $19.00
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Product Overview

This compact 650nm red laser module produces a visible red dot, straight line, or cross-line beam for positioning, alignment, marking, sensing, and electronic projects.

Choose the beam pattern that best fits your application. The module features a fixed-focus lens, automatic constant-current control, a compact copper housing, and pre-attached power wires for convenient installation.

Key Features

  • Visible red laser with a nominal 650nm wavelength
  • Dot, line, and cross-beam options
  • Maximum rated optical output below 100mW
  • Fixed-focus optical design
  • Compact 12 × 18mm size
  • 3V DC operating voltage
  • Automatic constant-current control circuit
  • Pre-attached red and black power wires
  • Copper housing for effective heat transfer
  • Suitable for alignment, positioning, marking, sensing, and DIY electronic projects

Specifications

Specification Details
Product type Red laser diode module
Laser color Red
Nominal wavelength 650nm
Manufacturer-stated wavelength 650 ± 10nm
Optical output power Less than 100mW
Laser safety class Class 3B / Class IIIb
Beam pattern options Dot, line, or cross
Focus type Fixed focus
Operating voltage 3V DC
Maximum operating current Less than 120mA
Module dimensions Approximately 12 × 18mm
Circuit control Automatic constant-current control
Operating temperature 0°C to 40°C
Positive connection Red wire (+)
Negative connection Black wire (−)
Housing material Copper
Quantity 1 module

Available Beam Patterns

  • Dot: Produces a concentrated red dot
  • Line: Projects a straight red reference line
  • Cross: Projects intersecting horizontal and vertical red lines

Please select the required beam pattern before adding the product to your cart.

Typical Applications

  • Alignment and positioning systems
  • Reference-line projection
  • Equipment integration
  • Optical experiments
  • Sensing and detection projects
  • DIY electronics and prototyping

Actual suitability depends on the design of the finished equipment and its safety controls.

Wiring Instructions

  • Connect the red wire to the positive terminal (+).
  • Connect the black wire to the negative terminal (−).
  • Use a regulated 3V DC power supply.
  • Confirm the polarity before applying power.

Incorrect voltage, reversed polarity, overheating, or operation outside the specified limits may permanently damage the module.

Package Contents

  • 1 × 650nm 100mw red laser module in the selected beam pattern

Laser Safety Warning

LASER RADIATION — CLASS 3B LASER PRODUCT

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