WeiguoIOT Breathalyser Alcohol Tester Breathalyzer
WeiguoIOT Breathalyser Alcohol Tester Breathalyzer with 10 Mouthpieces Alcohol Detector Breathalysers LCD Display for Home & Professional Use AT188 is a new type alcohol tester we developed, the device adopts advanced flat surface semiconductor alcohol sensor, it has good sensitivity and repeatability, LCD screen with backlight, simple and clear. Easy to use: Just insert the 2* AA batteries, then need to press the button for seconds to start, and 20 seconds to warm up, then blow to the alcohol breath tester for 3-5s and will get real-time answers soon. There is 4 unit measurement to choose – %BAC, ‰BAC, mg...