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Measurement accuracy: ±2mm
Measuring unit: M /in /ft
Measuring range: 0.33-40m
Laser grade: Class Ⅱ
Laser tape: 635nm<1mw
Waterproof and dust-proof grade: IP54
Type and service life of battery: 200mah lithium battery at least 5000 times
Working temperature range: 0℃-40℃
Functions: Measurement reference switch, Date clear-off, Battery level display, Continuous measurement, Area/volume/pythagorean measurement