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Multi-functional Laser Level Measuring Horizontal Ruler Measurement Tape Infrared Marking Ruler ToolThe multi-functional laser level ruler is designed for any situation where a straight line or measurements are needed, such as home-renovation project, hanging pictures, level the nails. Accurate measurement of the tool for fine workmanship. Features: Featuring the latest multi-pronged measurements technology, a improvement from all previous versions.  It combines a tape measure, a triple-positioned leveling bubble and a laser level into one tool.  Designed for any situation where a straight line or accurate measurements are needed.  8-foot measurement tape, includes of metric and imperial precision linear measures.  Laser ranging error,that is given as "+/- 2mm at 10m and 25m".  Specifications: Model: DZ08021 Material: Plastic Color: Black Laser Wavelength: 650nm-680nm Power: 3 x AG13 button battery (included) Item Size: 185 * 62 * 28mm / 7.28 * 2.44 * 1.1in Package Weight: 184g / 6.49ounce Package Size: 190 * 70 * 30mm / 7.48 * 2.76 * 1.18in Package List: 1 * Laser Level Ruler