Features [Large LCD Display] Digital angle gauge uses a full screen ultra large LCD to display the measurement data, which is simple and convenient to read. [Any Position Clear] Any position can be cleared, which is convenient for absolute and relative measurement. The data can be saved in any location for easy reading after measurement. [Automatic Shutdown Function] Digital ruler has an automatic shutdown function, which saves power consumption and prolongs battery life. [Engineering Plastics] The thickened and widened ruler body is made of engineering plastics, which has good rigidity, wear resistance, no deformation, no scratches, light and durable. [Freely Tighten] The enlarged and thickened knob can be freely tightened, and the measurement is convenient and reliable. Specification: Item Type: Digital Ruler Material: Engineering Plastic Measuring Range: 0°~200° Working Temperature: 0℃~50℃ Working Humidity: ≤85%R H Working Current: ≤20μA Resolution: 0.05°/3′ Accuracy: ±0.5° Battery: One CR 2032 Button Battery (Battery Not Included) Package List: 1 x Digital Ruler 1 x User Manual Note: Battery Not Included Package List 1 x Digital Ruler 1 x User Manual