Mileseey S6 Laser Distance Meter 40m/120m, Rangefinder with Level Bubble , LCD Display with Backlit, Measure Tools for Home Mileseey S6 Laser Distance MeterElectronic Level Control Function: With the Electronic Level Control Function ,the angle of the inclination will display on the screen, which provides more precise measurement;With laser precision technology, accuracy ups to ±2mm, measuring distance extends to 120m; Switchable among M/In/Ft/In+Ft for free adjustment.LCD BACKLIGHT & MUTE SETTING: Large backlight screen provides you with a better visibility in dark areas; Mute setting allows you turn on or off the measure beep at your will, suitable for using in library, claroom and other quite places,the laser level is ideal for home, construction and industries, especially in large areas such as rooms, apartments, buildings, real estates, factories, warehouses, etcVERSATILITY: Angel(optional), area, distance, length, volume, continuous measurement, Pythagorean method-three points; Addition and subtraction; Low battery indication; 20 groups data memory; Manually delete data; Auto shut down after 150s without any operation to save powerDURABLE AND PORTABLE DESIGN: IP54 waterproof level and dust-proof function protect the laser distance measure to the maximum extent; Portable size and hard rubber body provide a good grip; Wrist strap lets you hold the meter steady and carry easily.40m version did not contain the protective bag,Device are powered by 2*1.5V AAA batteryies(do not include).S6 contain 1 level bubble, do not cotain angle measure sensor.