Biometric Monitors

SHERCHPRY 5pcs Portable Breath Analyzer Digital Alcohol Detector with High Precision Sensor Tft Display and Rechargeable Battery for Accurate Alcohol Testing Traffic and Home Use Breathalizer: chamber, leaving only alcohol, filtering other impurities, leaving only alcohol, the detection is more accurate,bac tester Breathlizer tester:the screen show that green is normal, yellow is drinking, and exceeding standard,portable... SHERCHPRY 5pcs Portable Breath Analyzer Digital Alcohol Detector with High Precision Sensor Tft Display and Rechargeable Battery for Accurate Alcohol Testing Traffic and Home Use