• Quick and easy to use with a simple breath.
• Alcohol level check before driving for greater safety.
• Reliable indication with accuracy up to ~99.4% according to suppliers.
• Economical & portable – ideal for car, travel or events.
• No toxic substances such as potassium dichromate, according to the product description, contributing to safe use.

• Remove the packaged test from the outer packaging.
• Take a deep breath and blow steadily into the tester's tube.
• Wait a few minutes for the reading to stabilize.
• Compare the color or marking with the provided scale to estimate the alcohol level.

Note: This product is intended for indicative instant testing and does not replace a professional metal gas analyzer or certified precision devices. Responsible use is recommended and, if necessary, confirmation with a more reliable device if high alcohol levels are suspected.