What kind of sensors are you using? Etcher Laser February 25, 2019 02:19 Updated Follow We are using a camera, safety, and limit sensors. Related articles What is the laser’s life expectancy ? How does it work? What kind of sensors are you using? What is the battery life? How many hours of continuous use? How do you charge? Is there a warranty? Comments 0 comments Please sign in to leave a comment.