IDEAL FOR A VARIETY OF USES, INCLUDING FLOORING, TILE LAYOUT, PANELING, WALLPAPERING, STENCILING, WAINSCOTING, FINISH CARPENTRY, OUTLET AND SWITCH LAYOUT, WALL STUD -LAYOUT AND PARTITION INSTALLATION. -DIMENSIONS (L X W X H):150 X 73 X 50MM -WAVELENGTH: 630-670NM -POWER OUTPUT:<5MW -ACCURACY: ±1MM/3M -AVAILABLE DISTANCE: 16M -BATTERY TYPE: 3 AAA1.5V BATTERIES(NOT INCLUDED) -OPERATION TEMPERATURE: -10~50℃ FEATURES: tool head, tool cpu, tool cookie cutter set,Cheap tool head,High Quality tool cpu, China tool cookie cutter set Suppliers All pictures shown are for illustration purpose only.Actual product may vary due to product Enhancement CATEGORY TYPE:Measurement & Analysis Instruments 90 Degree Laser Level Vertical Horizontal Laser Line Projection Square Level Measuring Tools Efficiently Working Device