AlcoAlert Smart Electrochemical breathalyzer, black

Distance measuring units: mg/L Measurement range: 0.00 - 4.00 ‰ Alarm threshold: 0.20‰, with option to modify in the app Product type: Breathalyzer Sensor: Electrochemical Measurement accuracy: ±0.005% BAC at 0.05% BAC at 25°C Measurement resolution: 0.001% BAC Sampling time: ± 5 s Product colour: Black Material: ABS Package contents: 5 mouthpieces Display type: LCD VA Built-in display: Yes Number of batteries: 2 Battery technology: AAA Battery Power source type: Battery Warnings: Do not disassemble the unit yourself.