Features: This breathalyzer alcohol tester uses advanced sensor to provide precise measurements of your blood alcohol content, wait 10 seconds to warming up, then blow for 10 seconds, you can get reliable and accurate result. Keep yourself and others safe on road with this breathalyzer alcohol tester. Know when call a cab or hand over the keys, and avoid the dangers of driving under the influence. Looking for unique and practical gift? This breathalyzer alcohol tester is a great choice for friend, family, and loved one who enjoy responsible drinking. Perfect for weddings, parties, banquets or other social event to test yourself and your friend and family and make sure you drive safely after drinking. Take with you wherever you go to keep your loved one safe. Good quality: This product is selected for high-quality materials, exquisite workmanships, very good quality and long service life. Specifications: Material:ABS Color:Black/White Battery capacity: 120maH Charging: USB TYPEC Rate voltage: 5V Power: 2W Standby time: 100Day Operation time: 10 seconds Heating time: 10 seconds Response time: less than 5 seconds Size: Approx.74.6x42.6x18mm/2.93x1.67x0.7inches Working temperature: 5-85 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. Package includes: 1x Alcohol Detectors