Feature: 1. Brightness adjustable among 50% 65% 80% and full. The device projects horizontal and vertical lines on any surface up to 98 ft.(15m/49ft for red beam; 30m/98ft for green beam). 2. Even on an uneven surface, as long as it's within 4°compensation range, you are able to have the line level be straight. Easy to operate, bring you more convenience. 3. Used for any job that requires straight lines or accurate measurement. Comes with a small stand so the stand can attach to a metal appearance for greater convenience. 4. Sturdy housing material makes it high strength, comes with a case bag for better conservation. Suitable for home decoration, installation of the floor, framework, laying of tiles and wall charts, etc. 5. 1/4in thread on the bottom for mounting on a tripod or on the small stand that comes with it. Mini size and light weight for easier operation and carrying. Specification: Item Type: Cross Line Self Leveler Material: ABS Color: Black Orange Model: T03(Red Beam), T04(Green Beam) (Optional) Class: Class Ⅱ, Output ≤1mw Wavelength: 630-670nm for red beam; 505-550nm for green beam Leveling Accuracy: ±3mm/10m Leveling Compensation Range: 4°±1° Connector Interface: 1/4in 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 Power Supply: 2x1.5V AA batteries (Not included) IP Rating: IP54 Operating Temperature: -10℃-50℃ Storage Temperature: -25℃-70℃ Size: Approx. 8 x8 x6cm / 3.14x3.14x2.36in Weight: 216g / 7.61oz . Package List: 1 x Leveler Tool 1 x Stand 1 x Storage Case 1 x User Manual (English)