Product Specification: Product Name: Breathalyzer Model Number: Features: Using a new generation of high-precision intelligent sensors, dual-filter algorithms, and scientific filtration and built-in evolution of the warehouse purification process, to remove impurities and only leave the alcohol, the results in seconds, so that overnight alcohol quasi-detection, there is no escape from alcohol. Display unit: mg/100mL - China %BAC - USA g/1 - Europe mg/l BrAC - Japan Detection method: Semiconductor gas sensor Measuring range of breath alcohol concentration: 0 to 200mg/100mL Measuring Object: Breath alcohol concentration Indicator light: green/yellow/red Operating voltage: 3.7V Charging port: Type-C Charging time: 30min Usage time: 150 times Current: 100mA Battery: Built-in lithium battery (200mAH) Charging input: 5V1A Charging current: 300~400mA Rated power: 0.75w Battery type: 602030 polymer lithium battery Operating temperature range: -5????45??. Storage temperature range : -20??~50?? Voice announcement (language): Chinese/English Product Size: 108mm ?�� 35mm ?�� 18.2mm Product weight: 41g Boxed: 17*7.5*3.5cm Package includes: 1x Alcohol Tester