... Better line quality High reliability Adjustable focus red line laser module:Conventional line lasers are adjusted in focus by rotating the ... °Laser line accuracy:<30”(at 5m)Operating Voltage:DC3V-6V,AC/DC 8-24V(Φ16mm ×120mm)Operating Temperature:-10°C~70°CStorage ... of laser modules ,like as dot ,line /cross line laser module,DPSS laser,uniformline laser,single longitudinal mode green laserbeam expander ...