Material: Aluminium Alloy+PSSize: Approx. 103x26x18mm/4. 05x1. 02x0. 7inchColor: Graphite GrayMeasurement of breath concentration: 0-200mg/100mlPreheating time: 15 secondsBlowing time: 10 (usually 3~5 seconds)Product input: 5V/1AProduct current: 150mABattery capacity: 140mAhBattery life: It can be used for about 100 times when fully charged. Charging method: Type-c chargingUse temperature range: -5° C~45° CStorage temperature range: -20° C~50° CLess than 20mg/100ml is considered driveable,Greater than or equal to 20mg/100ml is considered drunk driving,Greater than or equal to 80mg/100 ml is considered drunk drivingnnn**Precision and Convenience**nThe Portable High Precision Alcohol Tester Breathalyzer is a compact and efficient device that ensures you are aware of your alcohol level before driving. With a measurement range of 0-200mg/100ml, this portable breathalyzer test provides precise readings within seconds, allowing you to make informed decisions about your safety and the safety of others. The device is designed with a quick preheating time of just 15 seconds and a blowing time of around 10 seconds, making it a convenient tool for emergency situations or routine checks. nn**Durable and Portable Design**nCrafted from a durable aluminium alloy and PSS material, this portable breathalyser is not only sturdy but also lightweight, making it an easy-to-carry companion for any occasion. Its sleek graphite gray color and compact size (approximately 103x26x18mm) ensure that it fits discreetly in your pocket or bag, ready for use whenever needed. The device's robust construction and portability make it an ideal choice for anyone who values reliability and convenience in a self-test drinking detection device. nn**User-Friendly and Long-Lasting**nThis portable breathalyzer test is not only user-friendly but also energy-efficient. It comes with a built-in battery that can be easily recharged via Type-c charging, ensuring that you can use it for about 100 tests when fully charged. The device's use temperature range from -5°C to 45°C and storage temperature range from -20°C to 50°C, making it suitable for various climates and conditions. Its intuitive design and ease of use make it an essential tool for anyone who values safety and responsibility on the road.