High-Precision LED Digital Breathalyzer Keychain AT-642s

Professional-Grade Accuracy
Equipped with a high-sensitivity semiconductor sensor for reliable BAC (Blood Alcohol Concentration) readings, ensuring precise results within seconds.
Compact & Portable Design
Ultra-lightweight keychain form factor (durable ABS casing) for effortless carrying—ideal for personal use, nightlife, driving safety, or workplace compliance.
One-Button Operation
Simple touch-activated testing with instant LED digital display, eliminating complex steps. Auto power-off conserves battery life (2x AAA included).
Wide Application Scenarios
Essential for responsible drinkers, drivers, bars, events, and corporate safety programs. FDA & CE certified for trustworthy performance.
Cost-Effective Bulk Solution
Direct factory pricing with wholesale discounts—stock up for promotions, corporate gifts, or retail resale. Global shipping supported.