Features: Professional-Grade Accuracy:Equipped with a new upgraded semiconductor sensor, Myplinar Breathalyzer delivers laboratory-calibrated results within ±0.003% BAC accuracy .Trusted by engineers and safety professionals for rapid, court-evidentiary-grade measurements. Intelligent Detection:Voice feedback.3-second ultra-fast detection with 0.001% resolution LCD display.Auto power-off after 20s inactivity to conserve battery. Intuitive 3-Step Testing:10-second warm-up,5-second continuous breath collection via flow-controlled nozzle,Color-coded verdict:Green (<0.03%),Yellow (0.03%-0.08%),Red (>0.08%). Hygienic & Portable Design:10 reusable PP nozzles,Pocket-sized with anti-slip grip,IP54-rated dust/water resistance for outdoor use.