Feature: 1. [LCD Display With Backlight] The large digital LCD display has a green backlight, making it easy to read even in bright sunlight or in low light conditions. 2. [High Accuracy] This electronic protractor provides fast and accurate measurement, convenient and clear reading. 3. [With Magnetic And Waterproof] The built in magnet on the base can fix the accessory on any iron surfaces, and it is IP54 waterproof. 4. [Durable Material] The inclinometer is made of high quality ABS and aluminum, durable, safe, lightweight, easy to carry and use. 5. [Widely Application] This inclinometer is widely used in many situations, such as woodworking, construction, machinery, telecommunications, automobiles, etc. Specification: Item Type: Digital Protractor Material: ABS+LCD+aluminum Color: Silver + black Screen Backlight Color: Green Waterproof Rating: IP54 Measuring Range: 4 x 90°(0-360°) Resolution: 0.05° Accuracy: 0.1° Working Temperature: -10~50℃ Adapter Batteries: 2 x 1.5V AAA batteries (Battery Not Included) Package List: 1 x Inclinometer (Battery Not Included) 1 x Screwdriver 1 x English Manual How to use: Please follow the instructions