1[Durable Material] This inclinometer is made of high quality aluminum alloy and ABS material, which is sturdy and durable and can be used with confidence. 2[LCD Digital Display] LCD high definition large digital display, placed upside down, the digital automatically flip, the measured data is clear at a glance, and the reading is faster. 3[High Accuracy] This inclinometer has accurate measurement results, easy to use, small in size, and easy to carry. 4[With Variety Of Reading] Multiple readings of mm/m, %, in/f can be switched to meet your measurement needs. 5[Widely Application] Widely used in bridge framing, railway paving, civil engineering, construction, decoration, industrial automation, intelligent platform, mechanical processing, etc. Item Type: Inclinometer Material: Aluminum alloy+ABS Power Supply: 2 x AAA 1.5V (Battery Not Included) Application: Angle measurement Accuracy 0~900.10 Others0.15 Resolution 0.05 Range 4 x 90 (0~360) Repeatability 0.10 Working Current 8mA Operating Temperature 0-40 Relative Humidity 80% When the inclinometer is upside down, the data displayed on the LCD will automatically flip up1 x Inclinometer(Battery Not included) 1 x ManualThis inclinometer has been pre calibrated before leaving the factory, and it can be used after installing the battery (battery not included)