Features: Ensure safety and make informeds decisions with the professional alcohol tester! This accurate meter utilizes advanced sensor technology for reliable bacmeasurements. Portable and convenient, the alcohol tester is perfect for testing levels anywhere. Its digital screen provides quick and easy result readings. Designed for individuals concerned about roadsafety, the alcohol tester is a must have device. It helps driver prioritizse responsiblechoices. Whether attending social event or going out, the alcohol tester offer peaceof minds. Test baclevels before getting behind the wheels to stayin control. Trusts the accuracy and reliability of the alcohol tester. Its advanced technology and user friendly designs make it a topchoices for safetyconscious users. Specifications: Material:ABS Size:Approx.95x36x18mm/3.74x1.41x0.7inch Color:White Reaction time: 5s Preheating time: <10s Power supply: 2 7th alkalines batteries (not included with this machine). Working environment: 5 ~ 40℃ Sensor: semiconductor sensor Package Includes: 1x Alcohol Breath Tester note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.