Feature:1. HIGH PRECISE METER: This distance tester has millimeter level accuracy with the measurement range of 0.05 to 40m.2. DUAL PHOTOSENSITIVE HOLES: The meter has dual photosensitive holes, enhances optical compensation, more accurate.3. LARGE STORAGE: There are 99 groups of data can be saved, and you can view and compare them at any time.4. OPTICAL FOCUSING LENS: The meter adopts aspherical optical focusing lens, enhances reflected light reception.5. EXCELLENT COMPONENTS: Adopt high strength ABS plastic shell for better protection of the body, using excellent laser components, the measurement is stable, fast, low power consumption.Specification:Item Type: Laser Distance MeterMaterial: ABSBattery: 2 x 1.5V AAA battery (not included)Purpose: Distance detectionBasic Parameters:Distance Measurement Range: 0.05-40mDistance Measurement Accuracy: (2mm+dx1/10000)Laser Type Class: Class 2 630-670nm, <1mW.Package List:1 xLaser Distance Meter1 x ManualNote:It is forbidden to store the instrument in a high temperature and high humidity environment for a long time.