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.