This is a test that is given on the roadside when people are stopped and suspected of drunk driving. This test determines by eye motion and skills of the driver to do the multiple tasks required by the officer to determine the condition of the driver of the vehicle.

Simple exercises meant to test a person's sobriety. They may test a person's mental awareness, speech, or physical coordination.

This is a test given for DUI in San Diego County that is conducted on the roadside when drivers are stopped by police and suspected of driving drunk. This test is designed to determine sobriety or intoxication via eye motion and motor skills of the driver. San Diego Police Officers require DUI suspects to perform multiple tasks in an effort to determine the condition of the driver of the vehicle. Fuel Cell: A detector in which chemical reactions are used to produce electricity.