Features1The laser rangefinder has a measuring range of 0.05?40m with high measuring accuracy. 2With non?slip stripe on the side to increase friction, comfortable to hold and easy to operate. 3The high?definition large screen design can clearly display the ranging results. 4Suitable for large areas measurement such as rooms, apartments, buildings, factories, warehouses, etc. 5Comfortable buttons design, high sensitivity, with hanging rope, lightweight and easy to carry.SpecificationItem Type: Distance MeterMaterial: ABSPurpose: Laser RangingBattery Attributes: 2 x 1.5V AAA Battery (Battery Not Included)Measuring Range: 0.05-40m / 0.2-131.2ftMeasurement Accuracy: 2mmLaser Type: 620-690nm 1mwOperating Temperature Range: 0-40Storage Temperature: -20-70Automatic Laser Shutdown: 30 SecondsAutomatic Power Off: 3 MinutesWeight: Approx. 152g / 5.4ozBasic Functions: Addition and subtraction of the Pythagorean theorem, maximum and minimum measurement of tracking measurement, backlight, buzzer prompt, data removal, area and volume measurementHow to Use:1. Insert the battery (not included), turn on the switch2. Select by function3. Complete ranging4. Data storagePackage List1 x Distance Meter (Battery Not Included) 1 x Hanging Rope 1 x Manual