Digital IP67 measuring system, resistant to dust and temporary immersion in water. Housing with high chemical resistance, equipped with a locking screw and cross points. LCD display 11 mm. Functions: On/Off switch, QuickStart electronics, QuickLock function for single zeroing and key lock to prevent accidental key presses, zero point setting at any position, PRESET function (measurement value presetting). Additional technical specifications: inspection required: yes. Delivery includes factory calibration and battery (CR2032). Note on the disposal of batteries and accumulators: The symbol of the crossed-out trash can on batteries or accumulators means that they must not be disposed of in household waste after use. If batteries or accumulators contain mercury, cadmium, or lead, the respective chemical symbol (Hg, Cd, or Pb) can be found below the crossed-out trash can symbol. Every user of batteries or accumulators is legally obliged to return old batteries and accumulators. You can do this free of charge at retail stores or at another collection point near you. For batteries that contain more than 0.0005 mass percent mercury, more than 0.002 mass percent cadmium, or more than 0.004 mass percent lead, the chemical designations of the respective hazardous substance are located under the trash can symbol.