Features: 1. It uses advanced solid-state alcohol detection technology to quickly take a breath sample and provide an estimate of blood alcohol content (BAC). 2. It can be used in a wide variety of settings, including clinical testing applications and for personal use. 3. Compact and portable: the digital alcohol breath tester has a key ring, being so mini and lightweight, this product does not take up much space and can be easily removed. Description: This is a digital breath alcohol analyzer tester. Digital alcohol test with audible alert. A Simple Method for Analyzing Blood Alcohol Concentration Anytime, Anywhere. Specifications: Color: black + gray Item size: 110*75*25mm Battery: 2 "AAA" alkaline batteries (not included) Sensor: advanced semiconductor oxide alcohol sensor Range: 0.00-0.19% BAC & 0.0-1.9g/l (or 0.00-0.95mg/l BRAC) Accuracy: 0.01% BAC (0.1g/l) Package Contents: 1 x Digital Alcohol Tester 4 x Carrying Case inhaler Sold by the grid cool store