1. LED illumination.
2. Easy to operate with a knurled thumb screw.
3. Dust-proof, very sturdy, and light casing made of impact-resistant ABS plastic.
4. Large selection of power sources: handy and stable handles, practical chargers
5. The line and spot image can be focused with the controls and turned 360º, angle read-out displayed on the integrated scale.
6. Lithium-ion battery
