... 0.35Depth of fieldPCS 0.9 Code 3970 - 650 mm / 2.76 - 25.59 in (1.0 mm / 39 mil),50 ... in (0.15 mm / 6 mil),60- 120 mm / 2.36 - 4.72 in (0.127 mm / 5 mil)50 ... onto concrete surfaceProtection rateIP 54PhysicalDimensions67 x 52 x 30 mm/ 2.64 x 2.05 x 1.18 in (d x w x ... , BlackRegulatory & SafetyProduct compliance:CE, FCC, IEC 60825-1 Class 2, GB7247.1-2001Enclosed itemsCable(USB,RS232/TTL,RS485), User Guide ...