Breathalyzer Mouthpieces for alcohol tester black with 5 mouthpieces EASY TO USE - One push button operation simply powers on the chest defeat and you start testing in seconds. Take it with you everywhere - Ultra-compact kneeler for of breathalysers fits easily in a pocket or handbag, making it a great portable breathalyser for any occasion. Optimal breath capture - The innovative fold-out mouth only ensures that breath goes to the alcohol tester while other airborne contaminants are kept away . Quick detection of results, quick response and resume. Specifications: Material: silicone Color: black Size: 103x65x27mm (LxWxH) Detection range: 0.00 - 0.20BAC%; 0.00 - 2.00g/L; 0.00 - 2.00BAC ; 0.00 - 1.00 mg/l; 0.00 - 200 mg/100 ml Alarming threshold: 0.05% BAC; 0.50 g/l; 0.50 per mille; 50mg/100ml Test Accuracy: 10% of full scale Operating voltage: DC 5V 3xAAA batteries (not included) Operating current: 120mA Ambient temperature: -10 to 50 Relative humidity 95% Display: 3-digit LCD display with blue backlight Expected battery life: 2000 times Package List: 1 x Alcohol Tester Mouthpiece Set Notes: 1. Please refer to the measurement error of 1-3mm.