This CST Berger dual-sided universal rotary laser detector allows user to locate laser beams from rotary laser levels in bright light or over long distances. Application: General.Display Type: LCD.Works With: Rotary laser levels.Laser Type: Invisible or red beam visible rorary laser.May be used with any invisible or red-beam visible rotary laser.Features front and back LCD displays.3 levels of beam resolution.2 levels of speaker volume.Power on/off.Runs up to 3 months on included 9V battery.Includes rod clamp