Features High Accuracy Laser Positioning --- This infrared level meter adopts high accuracy laser positioning with ±1.4mm/m accuracy, which is very convenient to use and ensures the accuracy of the data and greatly improves the working efficiency. Horizontal Bubble Setting --- This infrared leveler uses a horizontal bubble setting for easy horizontal positioning, or you can use a vertical laser, horizontally or in a straight line. Excellent ABS Material --- This infrared level meter is made of excellent ABS material for the shell, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. Quick Fixing Cone --- This infrared level meter adopts quick fixing cone, which is easy to hit the line when measuring and more convenient to use. Compact And Portable --- This infrared level is small in size and light in weight, which is very convenient to use on the go. Specification: Item Type: Infrared Leveler Material: ABS Accuracy: ±1.4mm/m Battery: 1.5V AAA Battery x 2 ( Not Included ) Package List:1 x Infrared Leveler  Package List 1 x Infrared Leveler