Measurements with dual- digital display, measuring range: Uniaxial 4x 90° Biaxial ±60°, Accuracy: Uniaxial ±0.2° Biaxial ±0.3°, automatic flipping when inverted, strong magnetic adsorption on the bottom, built-in scale line for marking assistance, and LED screen visibility in dim environments. Buzzon Function with a buzzer alarm that prompts at specific angle numbers: 0±1°, 30±1°, 45±1°, 60±1°, 90±1°, and automatic shutdown after 3 minutes of inactivity for intelligent power-saving. Portable and design with a compact structure, touch interface for easy marking and measurement, making the digital inclinometer small and easy to carry. Three Units and Two Measuring Modes, allowing users to switch between "°", "%", and "MM/M" by pressing the "MODE" button, with absolute and relative measurement modes for quick angle measurement between two surfaces., Weight: 0.40454825077 Pounds, Manufacturer: Aboiled