Features 360 Degree Locking Structure: Securely lock at any angle for versatile and measurements. Lightweight and Compact: Exquisite and lightweight design for easy portability and convenient measuring on the go. High-Quality Construction: Crafted from ABS material with a clear LED high definition LCD display for quick and accurate readings. 2-in-1 Ruler and Protractor: Conveniently combines ruler and protractor functions for easy measurement and drawing. Easy Fixing and Accurate Measurement: Effortlessly fix and measure angles without worrying about position changes. Features: 1、Design with Locking Knob: 360 degree locking structure can be locked at any angle, and the humanized design is more versatile in measurement. 2、Lightweight and Portable: The ruler is exquisite and compact as a whole, and it is light and easy to carry and measure. 3、: Use ABS material, , LED high definition LCD large digital display measured data at a glance. 4、2 in 1 Design: A 2 in 1 combination of ruler and protractor, easy to measure, and a convenient tool for drawing and measuring. 5、Easy to Use: Easy to fix, accurate measurement, convenient and practical, no need to worry about changing the angle when moving the ruler. Specification: Item Type: Angle Ruler Material: ABS Power Supply: 1 x CR2032 3V (Not Included) Measuring Range: 0.00 ~999.9° Working Temperature: 0℃～+50℃ Working Humidity: ≤85% RH Working Current: ≤20 μA Resolution: 0.05°/3' Accuracy: 0.5° Purpose: Angle Measurement Package List: 1 x Angle Ruler 1 x Manual Note: Keep away from open flames!betweendiv>Delivered without batteriesbetweenbr>between/div> Package List 1 x Angle Ruler 1 x Manual