Feature: 1. HD Backlight Screen: This distance measurement tool features a large HD backlight screen, allowing use in dark environments with the ability to turn on the backlight display at any time. 2. Automatic Calibration: This level distance meter has an automatic calibration function that calibrates before use to provide reliable and accurate results, significantly reducing application errors. 3. Wide Application: This leveling tool distance meter is suitable for various applications including building construction, engineering surveying, gardening, urban planning, home inspection, and electrical and plumbing installations. 4. Compact And Portable: This handheld distance measuring device is small and lightweight, making it easy to carry and use. 5. Sturdy And Durable: This multifunctional distance measuring ruler is made of ABS and TPU materials, ensuring , resistance to damage, and long service life. Specification: Item Type: Leveling Tool Distance Meter Material: ABS, TPU Model: NF-271 Range: Approx. 50m / Approx. 164ft Measurement Modes: Single, Continuous, Area, Volume, Pythagoras Measurement Accuracy: ±2mm Battery: 3 x AAA Batteries (Not Included) LCD Screen: Backlit FSNT Wavelength Output: 620-680nm,