Features: 1. It uses advanced semiconductor alcohol sensing technology to quickly take a breath sample and provide a blood alcohol content (BAC) estimate. 2. It can be used in a wide variety of settings including clinical test applications and for personal use. 3. Compact and portable: The digital alcohol breath tester has a key chain, being so mini and light-weight, this product does not take much space and can be easily taken away. Description: This is a digital breath alcohol analyser tester. Digital alcohol test with audible alert. A simple method to analysis Blood Alcohol Concentration at anytime and anywhere. Specifications: Color: Black+Gray Item size: 110*75*25mm Battery: 2"AAA" alkaline batteries (NOT INCLUDE) 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) Packing Content: 1 x Digital Alcohol Tester 4 x Breath inhaler Case Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow slight dimension difference due to different manual measurement.