BREATH TESTER QUICKLY & EASILY ESTIMATE: Adopts advanced sensor technology, can give you a accurate and reliable result in few seconds, accurate BAC results you can trust.OPTIMAL BREATH CAPTURE: Quick response and resume, good accuracy, easy to operate. One button operation means you simply power on your breathalyzer and begin testing in seconds.TAKE IT WITH YOU ANYWHERE: Small size and lightweight, easy to put in purse or pocket, ultra-compact, making it a great portable breathalyzer for any occasion.EASY TO USE: One button operate, easy to use, just need you press the switch. Designed to read thousands of times with accurate results every time.PRACTICAL: Auto power off design, energy-saving. Digital breath tester with audible alert, more intuitive and convenient. Wait 15 minutes after consuming for the most accurate result. Step 1 1. Put in the battery and press the switch key, the LCD display screen of the tester will light up and emit a "beep" sound. (The product does not include batteries) Step 2 2. The status Warm Up number will jump from 10 to 0, and then the state Blow from 10 jumps to 0 to complete the warm-up procedure. Step 3 3. Start the countdown to 6 seconds and stick the mouth close to breath test sensor, and exhale into the sensor for 3-5 seconds. Step 4 4. The display can read the test results. (The picture is only for effect display, and the specific data shall be subject to the actual object) FRIENDS GATHERING The breath analyzer is easy to operate with one button. It is portable and suitable for gathering friends. FAMILY DINNER The breath analyzer can respond and recover quickly, with good accuracy and easy operation. Suitable for family and daily life. BUSINESS ENTERTAINMENT The breathing analyzer is small in size and light in weight, which is easy to put into the wallet or pocket. It is suitable for business entertainment or gathering. Avoid driving after drinking. Package List 1 x Breathalyzer 1 x Hanging Rope 1 x English Manual Specification tem Type: Breathalyzer Material: PlasticColor: WhiteBattery Type: 2 * AAA( Not Included )Range: 0.000% -0.199% BAC (0.00-1.9g/L)Accuracy: ±0.01%BACWarm-up Time: 10sResponse Time: ＜5sDisplay: LCD Display Item Size: 9.5 * 3.5 * 1.3cm / 3.7 * 1.4 * 0.5inch Package Weight: Approx. 36g