Features: 1. LARGE HD BACKLIGHT SCREEN: The backlit LCD screen ensures that the rangefinder is not affected by dark environments and the backlit display function can be activated at any time. 2. AUTOMATIC CALIBRATION: The automatic calibration function before use provides users with maximum reliability and accuracy, significantly reducing errors in applications. 3. APPLICABLE SCNARIOS: Widely used in industries such as construction, technical surveying, landscaping, town planning, house acceptance and hydropower construction. 4. EASY TO USE: This rangefinder has a measuring distance of 0.05-60m and an accuracy of 3mm. Support data storage for 20 sets. 5. EASY CARRY: Coming with compact size and also being lightweight, this rangefinder is easy to store and carry for convenient use. Specifications: Item Type: LCD Rangefinder Material: ABS, TPU Measuring Range: Approx. 0.05 to 60 m / 0.2 to 196.9 ft Measurement accuracy: approx. 3mm/0.12inch Unit of measurement: feet, inches, meters Area and volume measurement: supported Continuous backlight and buzz measurement: supported Storage data: 20 sets Operating temperature: 0 to 40 (32 to 104) Storage temperature: -20 to 60 (-4 to 140) Battery: AAA x 2 (shipped without battery) Auto power off: Backlight for 10 seconds Auto power off: 8 minutes How to use: Follow the instructions. Package List: Package Including 1 x LCD Rangefinder 1 x Storage Bag 1 x Manual