3d self-leveling 360-degree green cross line laser level with pulse enhancement mode, remote control,oblique mode,12 lines,ip54 waterproof,oblique alarm,holders,battery and charger included auroland laser class:class 2 (iec/en60825-1/2007);less than 1mw power output<br> if you have any problem,please feel free to contact us.we will solve your concern.