5 Pack 650nm 5mW Red Laser Tube Heads With Adjustable Focus For Sight Positioning And Telescopes Includes 3 To 5V Power Great For Dot Cross Line Targeting DIY Projects Concentric Locating And Medical Equipment

Five-Pack 650nm 5mW Red Laser Heads with Adjustable Focus
✔️ 5 modules, adjustable focus, 3-5V input, 135mm cable

This five-pack includes 650 nm red laser tube heads with a 5 mW output and adjustable focus, designed for sight positioning, dot/cross/line targeting, telescope work, and DIY projects. Each unit measures 12 x 12 x 40 mm and uses a 3-5 V power supply with about a 135 mm lead for easy mounting in precision setups.

✅ Output Power: 5 mW
✅ Wavelength: 650 nm
✅ Working Voltage: 3-5 V
✅ Cable length: about 135 mm

💡 What is a 650nm red laser head used for in alignment and DIY projects?

This handy, compact laser module is used for sighting, marking, and precision alignment tasks. - Handy for alignment in optics, telescope setups, and target marking - Works with 3-5V power and includes a 135 mm lead for easy mounting - Adjustable focus to dial in beam size for dot, cross, or line outputs - Durable metal housing suitable for medical equipment locating and signaling applications ✝️