Feature:<br> 1. HD Backlight Screen: This distance measurement tool device adopts a large HD backlight screen, the use of the dark environment is not affected by the use of the backlight display at any time to turn on the backlight function.<br> 2. Automatic Calibration: This levels distance meter has an automatic calibration feature that automatically calibrates before use to provide the user with maximum reliability and accuracy, greatly reducing errors in the application.<br> 3. Wide Application: This levelling tool distance meter has a wide range of applications and can be used in building construction, engineering surveying, gardening, town planning, housing acceptance and water and electricity construction and other industries.<br> 4. Compact And Portable: This handheld distance measurement tool is small and lightweight, which makes it very convenient to carry around and use.<br> 5. Sturdy And Durable: This multifunctional measure distance ruler is made of excellent ABS and TPU material, which is sturdy and durable, not easy to be damaged, and has a long service life.<br> Specification:<br> Item Type: Levelling Tool Distance Meter<br> Material: ABS, TPU<br> Model: NF-271<br> Range: Approx. 50m / Approx. 164ft<br> Measurement Modes: Single, Continuous, Area, Volume, Pythagoras<br> Measurement Accuracy: ±2mm<br> Battery: 3 x AAA Batteries (Not Included)<br> LCD Screen: Backlit FSNT<br> Wavelength Output: 620-680nm, <1mw<br> Operating Temperature: 0-40°C<br> Storage Temperature: -20-60°C<br> Proof Level: IP54​.<br> Package List:<br> 1 x Levelling Tool Distance Meter<br> 1 x Manual