Inclinometer, Ip54 Precision Electronic Digital Display, 4*90 Protractor Angle Cassette With Backlight For Measuring Angle And Slope main feature: 1. Precise aluminum alloy measuring surface structure 2. The measurement value has a fast response speed 3. Large LCD screen 4. Measurement value hold function 5, 5 minutes without automatic screen off 6. 360 degree full measurement in 4 directions 7. When measuring upside down, the angle reading displayed on the LCD will automatically flip up. 8. Horizontal absolute zero calibration (relative measurement and absolute measurement) 9. Slope conversion function 10. Multi-purpose measuring tool, protractor, inclinometer and spirit level three in one 11. Magnetic bottom Product parameters: 1. Range: 490 2. Resolution: 0.05 3. Accuracy: 0.2 4. Power supply: 2 X AAA alkaline batteries (the product is shipped without batteries) 1. Due to different monitors and lighting effects, the actual color may be slightly different from the image 2. Due to manual measurement, please allow 1-3cm deviation Size: 5.7*5.4*2.5cm Delivery color: as pictured Quantity shipped: 1