Output:red laser straightly(650nm)

Size:Φ12x35mm 
Cable lenth:about 135mm 
Working voltage:4.5-5V 

Application: 
1. sighting device for orientation 
2. laser test tools 
3. Concentricity positioning 
4. Medical equipment positioning 
5. Production of signal equipment 
6. Use for DIY or robots

Package Quantity: 1pcs