Features: This compact digital device ensures precise detection of alcohol levels, promoting safety on the road. With its portable design and digital screen, this device is easy to carry and provides intuitive and clear results. Designed for drivers, law enforcement officers, and individuals from various backgrounds, this device caters to anyone in need of testing. Whether it's before driving, at social gatherings, in entertainment venues, or dining establishments, this device ensures personal and public safety in different situations. Rely on this reliable device to prioritize safety, providing peace of mind wherever you go. Specifications: Material:Aluminium Alloy+PS Size:Approx.103x26x18mm/4.05x1.02x0.7inch Color: Gray Measurement range of breath alcohol concentration: 0-200mg/100ml. Preheating time: 15 seconds Blowing time: 10 (usually 3~5 seconds) Product input: 5V/1A Product current: 150mA Battery capacity: 140mAh Battery life: It can be used for about 100 times when fully charged. Charging method: Type-c charging Operating temperature range:-5°C~45°C Storage temperature range:-20°C~50°C 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.