Dungeons & Dragons 5e Element 133 Class Feature: Sensor System: Class IV

Most androids are equipt with a Class III Sensor System. This sensor system includes a video camera with infrared capability, a basic audio receiver, and a crude chemical sniffer. An android with a Class III sensor system takes no penalties on skill checks.

This feature upgrades you to a Class IV Sensor System which includes hi-res video sensors, a hi-fidelity audio sensor, a chemical vapor scanner, and a pressure sensor that enables the android to perform tasks requiring advanced manual dexterity.

A android with a Class IV sensor system gains a +2 bonus on Perception checks made to see, hear, or smell. All other skill checks are made as normal.