ANENG Handheld Infrared Rangefinder Model: 40m Laser Measure Ft/in/M Switching LM50 Laser Measurement Tool Devices with Bubble Levels Distance Meter,Large Backlit LCD
Main features:
-HIGH ACCURACY&STABILITY - Using laser precision technology, accuracy up to ±1.5mm, measurement distance extends up to 40m; Switchable between Ft / In / M for free adjustment. With auto-calibration function which enable a more precise and stable measurement
-LARGE LCD BACKLIGHT AND MUTE SETTING - The large backlight screen gives you better visibility in dark areas. 
-MULTIPLE MEASUREMENT FUNCTIONS - area, distance, length, volume, continuous measurement, Pythagorean method - three points; Addition and subtraction; Low battery indicator; 30 groups of data memory; Delete data manually; Automatic shutdown after 150 seconds without operation to save electricity.
Specification:
1. Material: ABS
2. Range: 100m
3. Multifunctional: Continuous measurement, area measurement, volume measurement, and Pythagorean measurement
4. With the data storage function, it can store 30 sets of data
5. The design of the bubble level makes the measurement more accurate
6. LCD display, clear and bright reading
7. Measuring speed: 0.5-1 second
8. Unit switching: m/in/ft
9. History: 30 groups
10. Battery: 2xAAA batteries (not included)
Package Includes:
1 x Digital Range Finder 100m
1 x Carry Pouch
1 x Wrist Strap