Product Description: Enhance your measuring experience with our Digital Protractor, designed for clarity and ease of use in low-light conditions. The backlit display allows for easy reading of measurements, while the screen rotation feature automatically inverts the digital readout for added convenience. Magnetic Surface: Crafted with a magnetic stainless steel measuring face, this protractor securely attaches to metal surfaces, freeing your hands for more precise work. Multifunctional Design: This versatile tool supports horizontal position calibration, absolute and relative angle measurements, and conversions between degrees and slope percentages. It also features mm/m and in/ft unit conversions, data hold, backlight toggle, automatic shutdown, and audible alerts at 0 and 90. Absolute Angle Measurement: Easily determine the angle between the measured surface and the level. As the angle changes, the display updates in real-time, ensuring accurate readings. Relative Angle Measurement: To measure the angle between two surfaces, place the protractor on the first surface and press the REF button to set it to "0.00". Move it to the second surface to see the included angle displayed. Wide Applications: Ideal for construction workers, decorators, maintenance personnel, carpenters, and other professionals, this tool is perfect for woodworking, construction, machinery, telecommunications, and automotive tasks. Specifications: - Name: Digital Protractor - Material: ABS + Stainless Steel - Color Options: Red, Yellow, Blue - Battery: 2 x AAA (not included) - Measuring Range: 0 to 360 - Working Temperature: 0C to 40C - Accuracy: 0.01 - Resolution: 0.05 - Electromagnetic Protection Level: Level 3 - Item Size: 286 x 59 x 20 mm (11.06 x 2.32 x 0.79 in) - Package Size: 292 x 63 x 24 mm (11.50 x 2.48 x 0.94 in) - Package Weight: 200 g (7.05 oz) Packing List: - 1 x Digital Protractor