Feature:1. Aesthetic Design: The overall design is hard and simple, rich in technology, with a curved design on the back, which is more in line with the ergonomic design concept, comfortable to grip.2. High Accurate: Intelligent rangefinder, intelligent algorithms, with long measuring distance, high accuracy, and fast measurement speed, with long measuring lifespan. Real time distance measurement, easy keystrokes, one button measurement for easy operation.3. Digital Display: Digital display for clear data readings, and with 30 sets of data storage function, important data is not lost, you can save and view the data at anytime.4. Multifunctional Design: With multiple measurement modes, it is easy to meet the measurement needs of different scenarios. Support single measurement, continuous measurement, volumes measurement, area measurement, and Pythagoras measurement.5. Multi Application Scenarios: Wide applications, suitable for road engineering, housing engineering, construction engineering, water conservation engineering, electrical power engineering, pipeline engineering, etc.Specification:Specifications:Name: Rangefinder Material: plasticsModel: SK-40ABattery: 3 * AAA battery (not included)Measurement ranges:SK-40A: 0.05-40mMeasurement accuracy: ±2mmMeasurement units: m, in, ft, ft/inMeasurement time per unit: 0.25SType: 490-690nm,<1mWClass: class 2Water resistant class: IP54Data storage: 30 setsBuzzer: adjustable at power onAuto-off: 30 seconds without operationInstrument shutdown: 180 seconds without operationOperating temperature: 0-50℃Storage temperature: -20 to 65℃Item size: 121 * 52 * 28.5mm / 4.76 * 2.05 * 1.12inItem weight: 168g / 5.93ounce.Package List:1 x Rangefinder