The E67 long range Perfect Prox® series from EATON electrical sector, the highest performing long range sensor you can buy with background rejection, is ideal for your most difficult sensing applications. The E67 long range Perfect Prox® series reliably detects targets in range regardless of variations in color, reflectance, contrast or surface shape while ignoring objects just slightly outside the target range. The standard E67 sensor is conveniently pre-set with a six ft range. Ranges of 3 to 8 ft are available preset from the factory.