Picotronic-Class-2-Blue-Dot-Laser-Module-Adjustable-Focus-Picotronic-70115505-p-A-Class-2-laser-module-that-emits-a-blue-dot-beam-and-has-adjustable-focus-The-module-has-an-aluminium-body-that-contains-the-electronics-and-the-anti-reflectiv…View more