Laser Detector quickly and accurately locates any laser signal emitted from green beam rotary lasers through fine and course (wide/narrow) detection settings. Clamp attaches to leveling staffs or grade rods. Light Type: LED, Backlit Display: Yes, Compatible Tool: Green beam rotary laser level, Display Type: LED, Battery Included: Yes, Indicator Type: Visual, audible, Mount Type: Rod mount, Auto Shutdown: Yes, Laser Beam Color: Green, Dimensions L x W x H (in.): 9 1/2 x 7 1/4 x 2 1/5, Detection Setting Type: Fine, coarse, Front and Back Display: Front only, Battery Type: 9V, Magnetic: No, Mount Bracket Included: Yes, clamp, Laser Type: Green rotary laser, Indoor/Outdoor Use: Outdoor.