Intuitive operation

The intuitive, easy to understand interface and on-screen icons guide you through the breath testing process. Novices and professionals alike appreciate this tester’s capabilities and usability in the field.

Colour-coded results

The mouthpiece port glows three different colours to indicate the range of measurement alongside a three-digit readout on the display. Simple, accurate breath alcohol testing.

Reliable sensor

ALERT J4X uses an electrochemical sensor, the standard for law-enforcement breath alcohol testers, ensuring both stability and accuracy.

Technical specifications: