HULA-PM-PS/2 or USB Panel Mount HULA Pointing Device - Stand alone Hula pointing device mouse in NEMA 4X stainless steel panelmount package. - Innovative Three button design; Third Button offers click, drag, and drop option. - Compatible with standard Microsoft Mouse Drivers. - Full Rotational Positioning and Full Travel actuation switches Operates in Windows and DOS environments. (Also available with Sun Compatibility) - PS/2 or USB compatible. - Dimensions: 6.0"W x 6.0"D x .75"H