The Mr Black 5 Professional Breathalyzer is a compact, high-precision alcohol tester designed for reliable BAC (Blood Alcohol Content) measurement. Featuring advanced semiconductor sensor technology and intuitive operation, this device provides accurate results for personal and professional use.

• High-precision semiconductor sensor for accurate BAC measurement
• Compact gas circuit design with advanced sampling system
• 2.0-inch dazzling green backlight display for clear visibility
• Fast 10-second preheating with 5-second detection time
• Rechargeable 3.7V/200mAh lithium battery with Type-C charging
• Automatic alarm system with red light and buzzer alerts
• Compact dimensions: 134mm × 40mm × 33mm, lightweight at 88.69g

For accurate testing: Allow 10-second preheating, install mouthpiece, blow steadily into the device for 5 seconds, and read results on the clear 2.0-inch display. The automatic alarm system provides immediate feedback when alcohol levels exceed standard limits.