2 Pack 3-5V 650nm Red Laser Focusing Laser Module with Plastic Lenses AA Battery Holder Used for Building Correction and Configuration

Voltage: 3-6V DC-Laser with a wavelength of 650nm is a red, bright and bright horizontal line, with a line width of 1.2 degrees. Material: Metal; Power: 5MW; Light Source Shape: Line Red Line module for industrial level, orientation, positioning, positioning, measurement and positioning of medical devices, making signalling devices or DIY projects, etc. Design features: laser diode, metal housing, lens, fixed power plate, wire. Small size, wide beam angle, clear light The inside is filled with heat-dissipating silica gel and AB glue, which can completely dissipate heat and prevent shock and fall. battery box with wire and metal spring, easy to solder and do housework, easy to install.