Keep yourself and others safe with this reliable breathe alcohol detector. This tester features a large multi-colored 2 digits LED display for maximum readability. Equipped with an automatic sensor and chamber cleaning system, this tester can correctly check the amount of alcohol in your blood without being affected by any alcohol residue. It also has a real-like car crashing warning alarm to remind the driver not to driver after drinking.

• Range: 0.2% - 1.2% BAC.
• Large multi-colored 2-digit LED display.
• Real-like car crashing warning alarm.
• Automatic sensor cleaning.
• Automatic chamber cleaning.
• Pre-alert warning.