1、High Accuracy: 1mm accuracy distance measurement, 70 meters ultra long distance precise measurement, intelligent high speed chip 0.25s flash measurement speed and accurate measurement. 2、Excellent Selection Of Materials: aspheric optical focusing can effectively filter stray light and be more pure, and semiconductor laser diode laser emission is brighter and more accurate. 3、Built‑In Electronic Angle Sensor: real time display of the measured angle, easy to find the angle, the angle is accurate to 0.10, with 99 sets of data storage function to record and easily view at any time. 4、2in 1 Front And Rear Reference Lines: The front reference range does not include the length of the fuselage. The rear reference means that the range includes the length of the fuselage. 5、High Definition Large Screen: 2.0inch large screen displays clear and intuitive readings, large screen high definition backlight, clear and accurate readings at day and night. Item Type: Distance Meter Material: ABS Color: As shown in the picture Model: FY897 Power Supply: AAA 1.5V x3 (not included) Application: Distance measurement Measuring Distance: 70M HD Large Screen: 2.0 inches Measurement Response Time: 0.25s Measuring range 70m Measurement accuracy ±2.0mm Unit of measure m, ft, in Area unit M², ft², in² Laser wavelength 620~690nm Laser class ClassII,<1mW Single measurement time 0.25s Working temperature 0℃~+40℃ Storage temperature -20℃ ~ +65℃ Basic function Single distance measurement √ Maximum and minimum measurement √ Continuous measurement √ Area/Volume/Pythagoras measurement √ Addition and subtraction calculation √ Unit switch √ Measurement reference switch √ Sound √ Data clearance √ Error codes √ Battery status √ Angle display √ Data storage 99 groups Automatically turn off the laser 30 seconds later The device shuts down automatically 180 seconds later 1 x Distance Meter(Battery Not Included) 1 x Tool Bag 1 x Lanyard 1 x Manual