The AL 7010 alcohol tester features a i-RES alcohol sensor, a slim housing, a backlit mouthpiece, and a button. The measurement result appears on the display and is accompanied by a sound signal. The device checks the accuracy of the measurement, including the airflow during exhalation, and alerts you to any potential improper sample volume. Additionally, it stores the number of measurements to ensure the necessary periodic calibration. It is lightweight and compact.