Model ML301HD and Model MIL301HD ruggedized laser diode modules from Bea Laser Inc. (Elk Grove Village, IL) withstand vibration, chemical, impact, and dust conditions. Available in red or green laser beam output, these units are suitable in applications for metal forming equipment, punch presses, and heavy-duty saws where alignment, targeting, and positioning are of prime importance. Each liquid-resistant unit consists of the laser module, a molded connectorized cable assembly, and a DNN rail mount power supply. Output power is at 5mw with wavelengths of 650nm for the red, and 532nm for the green. Operating voltage is at 5VDC @ 30mA for the red and 300mA for the green.