Meterk Handheld Digital Laser Distance Meter Portable Area Volume Measurement Tool Range Finder High-precision Rangefinder M/In/Ft Data Storage Memory Function LCD Display Backlight Electronic Angle (40m) Want to own a professional laser distance meter with high precision? Try our TOMTOP Laser Distance Meter. It can measure the distance, area and volume. It also can be used for indirect measurement by Pythagorean theorem. Simple in operation, accurate in measurement, fit size for your palm, light weight for easy carry. This laser range finder, as a superior measuring tool can be widely used in construction and industries, especially in large areas such as rooms, apartments, buildings, real estates, factories, warehouses, etc.  Features: High accuracy, high precision and wide measuring range. Large LCD display with backlight and multi-line display (4 lines). Easy targeting with bright laser pointer. Quick measurement of distance, area and volume with one button operation. Easy targeting with bright laser pointer. Switchable units among meter (m), inch (in), feet (ft)(The MK40J only has m unit.)  Electronic angle replacing bubble level equipped as a spirit level tool. 30 data records and recall function. Easy addition / subtraction of measurement. Indirect measurement by the Pythagorean theorem. Min/Max distance tracking (display value). Data Hold / Data clear function. Set up front / rear benchmark. Battery status indication & Buzzer indication. Automatic calculation of area and volume. Auto power off when no operation in 150s. Auto correction and error report technology. Automatic/manual power off function. Auto laser switch off when no operation in 20s.  Specifications: Brand: TOMTOP Color: Black Model: MK40 / MK40J (Optional) Measuring Unit: m, in, ft(MK40) / M(MK40J) Material: ABS + TPE + Optical Lenses Distance Measuring Range: 0.05-40m  Accuracy: ±2mm  Laser Type: Class II, 635nm, <1mW Self-calibration Function: -9mm to +9mm  Data Store/ Recall Function: 30 Data Store Dust & Splash Proof: IP 54 conservation  Backlight Time: 15s  Laser Lasting Time: 20s Auto Power Off Time: 150s   Angle Measuring Range: ±90° Operating Temperature: 0～40℃ Storage Temperature: -20～60℃ Power Supply: 2 * 1.5V AAA Batteries (Included) Item Size: 112 * 50 * 25mm / 4.4 * 2.0 * 1.0in Item Weight: 101g / 3.6oz   Package List: 1 * Laser Distance Meter 2 * AAA Battery 1 * Pouch Bag 1 * Holding Rope 1 * Gift Box  1 * User Manual(English+Germany+French+Italian+Spanish)