Digital IP67 measuring system, resistant to dust and temporary immersion in water. Housing with high chemical resistance, equipped with a locking screw and cross-recessed screws. LCD display 11 mm. Functions: On/Off switch, QuickStart electronics, QuickLock function for single zero-setting and key lock to prevent accidental key activation, zero point setting at any position, PRESET function (measurement presetting). Additional technical specifications: subject to verification: yes. Delivery includes factory calibration and battery (CR2032). Note on battery and accumulator disposal: As we sell batteries and accumulators or devices that contain batteries and accumulators, we are obliged under the Battery Act to inform you of the following: The symbol of the crossed-out waste bin 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, you will find the respective chemical symbol (Hg, Cd, or Pb) below the symbol of the crossed-out waste bin. 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 containing 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 waste bin symbol.