Item Type: Laser Distance Meter Material: ABS Battery: AAA Battery x 2 (Shipping Without Battery) Measurement Accuracy: ± 2mm Measurement Unit Options: M, In, Ft Area Measurement Function: Yes Volume Measurement Function: Yes Wavelength: 635nm Maximum Storage Single Space: 30units 1、Aspheric Optical Focusing Lens: High accuracy handheld infrared laser distance meter is with integrated molding and aspheric optical focusing lens to enhance reflected light reception. 2、Large Backlight Screen: The laser distance meter uses excellent laser components for accurate and stable measurement and fast low power consumption. Large backlit screen provides you better visibility in dark areas. 3、30 Sets of Data Storage: Handheld infrared laser distance meter saves 30 sets of data at any time, so you can view and compare at any time to find the optimal data reference. 4、Silent Setting: The laser distance finder's silent setting allows you to turn measurements on or off at will for libraries, classrooms and other quiet places. 5、Usage Scenarios: The laser distance measure is ideal for home, construction and industry, such as in apartments, buildings, factories, warehouses and other large areas. 1 x Distance Meter 1 x Storage Bag 1 x Reflective Board 1 x Lanyard 1 x Instruction Manual