Portable Breathalyzer Tester to test Alcohol level

This alcohol tester advanced MEMS semiconductor alcohol sensors adopts nano-technology, long services life. It can quickly and accurately detect alcohol levels in your blood in seconds, to provide you with high-precision test results, making you to do smarter decisions while drinking. Usage Instruction: 1. Just press the power button for 1 seconds to start the alcohol tester 2. Rechargeable battery with USB charging method, low voltage indication 3. Detection range: 0-0.190％BAC /0-1.990‰BA(Deviationt *±0.030％BAC - ±0.1‰BAC) 4. When the test result is higher than 0.05% BAC / 0.5 ‰ BAC (factory default setting value), it will make continuous drop sounds are emitted to remind the driver. Specification: Battery: 3.7V 1000 mAh lithium battery Charging time: 3 hours Blowing Time: 5s Reaction time: <5 seconds Number of continuous tests: 800 to 1000 times Testing records: 64 recent records Size: About 4.7in x 2.2in x 0.7in Weight: About 186g Number of continuous tests: 800-1000 times 1. In order to make the test results accurate, please test with the alcohol breathalyzer 20 mins later after drinking; Because it takes about 20 mins to absorb alcohol into the bloodstream from the digestive system. 2. To ensure the accuracy of the test result, please wait for another 3 mins before starting the next test. Package Include: Breathalyzer x1 User manual x1 Mouthpieces x10 Storage bag x1 USB cable x1