Laser Level Professional Horizontal and Vertical Cross Line Self Leveler Auto-Leveling Spirit Level Self-Leveling Cross Laser Lines Adjustable Brightness Red Beam T03 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 , comes with a case bag for better conservation.  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 * T03 Laser Level 1 * Stand 1 * Storage Case 1 * User Manual (English)