With power switch, any position measurement unit conversion, any position zeroing (Material): ABS (Process): stable quality chip (Use): Widely used in various types of arc cylindrical non-specified surface length measurement (Standard): Industrial standard (Specifications): 0-200m Reading value: 0.01mm/0.0005" USB charging port charging Measurement units: mm, cm, inch, m Specifications: Multiple application scenariosFor surface measurement Diameter measurement Flat measurement Flexible object measurement Irregular object measurement Long measuring distanceCan be used for distance measurement within 200m HD screen displayScreen backlight Large screen with clear numbers Durable and long-lasting batteryUp to 6 hours of uninterrupted operation with USB-TYPE C charging Functional Features5 measurement modes switching 10 sets of data cycles storage Package Included: 1* electronic ruler 1*Charging cable Notes: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.