Features 1、Have a simple operation method, one key to complete the opening and closing 2、The straight line is aligned accurately, and there is a recyclable needle, which can keep the launched straight line intact when working 3、Can help you improve the efficiency of measurement work and make measurement work easy and simple 4、Lightweight and portable, easy to grasp. Ensure that saving time for angle measurement and line drawing 5、Used for floor layout, including tiles, stones, bricks, carpets, hardwood floors, etc., giving you a good experience Specification Item Type: Red Beam Level Tool Material: ABS Infrared Wavelength: Approx. 650mm/0.7yd Battery: 2 x AA Batteries (not included) Package List 1 x Red Beam Level Tool