Portable alcohol tester helps you quickly detect the alcohol concentration, with high sensing chip, the measurement is more accurate. Blowing detection, no mouthpiece needed, the measurement is healthier.<br> Features:<br> Portable alcohol tester, large LED display, accurate readings, with three-level indicator lights, the test results are clear at a glance.<br> It can help you scientifically filter, purify impurities, retain alcohol, and make the test result closer to the bloods alcohol concentration.<br> Equipped with intelligent chips, high-sensitivity sensors, the detection results are more accurate, and the sound alarm function is supported.<br> Non-contact detection, direct blowing, it avoids the growth of bacterias in the blowpipe, and the measurement method is healthier.<br> Built-in high-capacity battery, low power consumption, long standby time, one full charge can be used about 150 times.<br> Premium ABS material, fine workmanship and long service time. Small and portable, convenient for testing anytime, anywhere.<br> Specifications:<br> Color: Black<br> Material: ABS<br> Display: LED Screen<br> Test Range: 0.000-0.199percent BAC(0-1.9gl)<br> Accuracy: +-0.005percent BAC<br> Response Time: less than 5 Seconds<br> Warm-up Time: 10 Seconds<br> Blowing Time: 10 Seconds(Usually 3-5 Seconds)<br> Input Power: 5V, 1A<br> Battery: Built-in 3.7V, 120mAh Lithium Battery<br> Working Temperature: 0-45 celsius<br> Item Size: 58.74 * 30.6 * 13.5mm 2.3 * 1.2 * 0.5in<br> Item Weight: 19g 0.7oz<br> Package Size: 100 * 77 * 22mm 3.9 * 3.0 * 0.9in<br> Package Weight: 46g 1.6oz<br> Note:<br> Recommended to perform the test 20 minutes after drinking, and the measurement results are more accurate.<br> Packing List:<br> 1 * Alcohol Tester<br> 1 * USB Cable<br> 1 * User's Manual