Features Excellent ABS Shell This leveler is made of excellent ABS material for the shell, which is sturdy and durable and has a long service life. ELECTRONIC DIGITAL DISPLAY This leveling angle gauge uses an electronic digital LED HD display for clarity and easy, fast readings. Strong Magnetic Force The bottom of this protractor is magnetically strong and can be firmly sucked to metal surfaces for more accurate measurements. COMPACT & CONVENIENT This leveler is small and lightweight, very convenient to take to work and does not take up much space. Easy Operation There are four buttons on this leveling device, which clearly match the function and are very easy to use. Specification: Item Type:Digital Angle Finder Meter Material: ABS Measuring range: 4 x 90°. Resolution: 0.1°. Working humidity: 40-80% Power supply: AAA x 2 (batteries not included). Working temperature: 0-40°C. Reference point: horizontal level Package list: 1 x digital protractor, 1 x manual (English language not guaranteed) Package List 1 x Digital Angle Finder Gauge 1 x Manual