Key Features of Alcohol Testers Keychain Breathalyzer
High-precision semiconductor sensor for fast and reliable BAC (Blood Alcohol Concentration) readings with ±0.01% accuracy. Compact and portable keychain design with durable zinc alloy casing, ideal for personal or professional use on-the-go. One-button operation with automatic power-off, featuring a clear LED display for instant results in seconds. Supports OEM/ODM customization—choose colors, logos, and packaging to match your brand or promotional needs. Wide application: perfect for drivers, bars, corporate safety programs, and personal health monitoring. Powered by replaceable lithium battery (included) with low-energy consumption for extended use.