12 Lines 3D Green Laser Levels Self Leveling 360 Horizontal and Vertical Cross Super Powerful Green Laser Beam Line  Laser Level Application Area：  Home improvement,detection and location,lofts and elevations,and all other interior and exterior (with optional receiver or detector)Construction and layout.  Feature：  Adopting GERMANY Osram Green Laser Unit   Self Leveling Range of 4±1 Degree  Robust Over-molded Housing  Use the slash function with the bracket  The charger uses a USB interface, which can be used anywhere.  Ultra Bright Laser Beams allows all possible applications  IP54 - Waterproof and Dustproof  Simplify Layout Tasks and Increase Productivity  Central locking mechanism helps protect internals  Product parameters：  product model：12 lines  laser unit：Laser level  Working temperature: -20--40 degrees  Laser wavelength: 532 (nm)  Expanded Angle：2*360°/2*360°  Laser class：Class 2  H/V accuracy：±1mm/7m  Self-leveling range：3°±1°  Self-leveling time：≤3s  Working distance(Line)：30m  Operating time：>8.5h(all lasers on)  Power source：4* AA （include battery）  IP rating：IP54  Storage temperature range：-20°C to 70°C  Mount size：1/4''  Weight：1.5Kg  packing details：Picture shown  Package Included:  1 x laser level  2 x 18650 battery （Need more battery contact us）  1 x Tripod base  1 x Wall Stand  1 x adapter  1 x Fabric Bag   Working Advice:  Always use the centre of the lasser line for marking.The width of the laser line changes with the distance.  Safety Notes:  The measuring tool produces laser class 2 laser radiation according to IEC 60825-1.This can lead to persons  being blinded,do not direct the laser beam at persons or animals and do not stare into the direct or  reflected laser beam yourself.  Do not allow children to use the KT 3D6 laser measuring tool without supervision.  Do not operate the measuring tool in explosive environments,such as in the presence of flammable liquids or gases or duxts.  Operation:  The 12lines green beam laser level is a precision instrument and should be treated with care.Avoid heavy impact  or falling of the measuring tool. After heavy exterior impact on the measuring tool,an accuracy check should  alawys be carried out before continuing to work.  Switch the measuring tool off during transport. When switching off,the leveling unit,which can be damaged in   case of intense movement, is locked.