Description:650nm 5mW 3-6V RED Dot Laser Diode Module 135mm Focusable Lens <br>Parameter:Optical Power: 5mWWavelength: 650nm(red laser)Size:&amp;Phi;12x35mmCable lenth:about 135mmWorking voltage:3-6VBeam Shape: Dot<br>Application:1. sighting device for orientation2. laser test tools3. Concentricity positioning4. Medical equipment positioning5. Production of signal equipment6. Use for DIY or robots<br>Package Included:1x 650nm Laser Diode Module