【Multi-Scenario Monitoring】Equipped with a digital blue LED display, this versatile breathalyzer provides accurate BAC readings, ideal for parties, restaurants, or home use. 【Non-Contact Detection】Experience a hygienic and innovative method of measuring alcohol content with this mouthpiece-free device. Reliable results are obtained with just 3-5 seconds of blowing. 【Rapid Results】Advanced technology delivers quick and accurate BAC readings in seconds, helping you make informed decisions about alcohol consumption. 【Compact and Portable】Featuring a stylish, pocket-sized design, this breathalyzer easily fits in your pocket or bag. The clear LED display ensures easy interpretation of results. 【Trusted Quality】Constructed with durable materials, this professional breathalyzer undergoes rigorous reliability and durability testing to ensure consistent and accurate measurements time after time. Specifications: Material: ABS+PC Size: 98*26.3*15.5mm/3.82*1.03*0.6inch Display: LCD Test range: 0.00-0.19% BAC (0-1.9g/l) Unit of measurement: mg/l(BrAC) mg/ml(BAC) Measurement method: quick check, automatic detection Measurement time: 20 seconds Power supply: built-in rechargeable lithium polymer battery Battery capacity: 3.7V 200mAh, can be tested continuously for 150 times Power adapter requirements: DC5V 1A Working temperature: 0-45℃ Warm-up time: 10 seconds Blowing time: within 10 seconds, more than 4 seconds required Response time: less than 5 seconds Working current: 250mA (maximum) Standby current: less than 20uA