This laser level is widely used for any job that requires straight lines or accurate measurement, such as hanging picture, shelf or air-conditioning installation, building construction, interior decoration, DIY room projects etc.   Features: Four modes available: self-leveling mode, locked mode, energy saving mode, pulse mode.  Brightness adjustable among 50% / 65% / 80% and 100%.  Laser Level projects horizontal and vertical lines on any surface up to 98 ft.(15m/49ft for red beam; 30m/98ft for green beam).  Self Leveling : Even on an uneven surface, as long as it's within 4°compensation range, you are able to have the laser level be straight.  Comes with a small stand with magnets so the stand can attach to a metal surface for greater convenience.  Sturdy housing material makes it durable, comes with a case bag for better protection.  1/4" thread on the bottom for mounting on a tripod or on the small stand that comes with it.  Perfect for home decoration, installation of the floor, framework, laying of tiles and wall charts, etc.  Mini size and light weight for easier operation and carrying.   Specifications: Material: ABS;  Color: Black&Orange;  Model: T03(Red Beam) / T04(Green Beam) (Optional);  Laser Class: Class Ⅱ, Output ≤1mw;  Laser Wavelength: 630-670nm for red beam; 505-550nm for green beam;  Leveling Accuracy: ±3mm/10m;  Leveling/Compensation Range: 4°±1°;  Connector Interface: 1/4" Thread;  Working Distance(Line): 15m/49ft for red beam; 30m/98ft for green beam;  Operating Time;  Red Beam: First gear: 30hours;  Second gear: 38hours;  Third gear: 46hours;  Fourth gear: 62hours;  Green Beam: First gear: 7hours;  Second gear: 10hours;  Third gear: 13hours;  Fourth gear: 16hours;  Power Supply: 2*1.5V AA batteries (Not included);  IP Rating: IP54;  Operation Temperature: -10℃~50℃;  Storage Temperature: -25℃~70℃;  Item Size: 8 * 8 * 6cm / 3.14 * 3.14 * 2.36in;  Item Weight: 216g / 7.61oz;  Package Weight: 428g / 15.09oz;  Package Size: 12.5 * 13.5 * 8cm / 4.92 * 5.31 * 3.14in;   Packing List: 1 * T04 Laser Level;  1 * Shelf;  1 * Storage Case;  1 * User Manual Manual