Keychain Breathalyzer Portable Digital Breath Alcohol Tester Backlit LED Digital Accurate BAC Detector with 5 Mouthpieces for Personal Use _noimage 1 x 20Gbps Cable

1 x 20Gbps Cable

Time and calendar display

home and school use

High-performance connection without lag

Storage medium: 32G TF card

Keychain Breathalyzer Portable Digital Breath Alcohol Tester Backlit LED Digital Accurate BAC Detector with 5 Mouthpieces for Personal Use _noimage 1 x 20Gbps CablePortable breathalyzer is designed to help you drive safely after drinking in a business negotiation, family gathering, party, dating or more situations. It adopts sensitive semiconductor alcohol sensor which brings quick and accurate results. Better repeat testing for 2 3 times and DO NOT drive if it shows "Caution" or "Danger". Backlit LED digital display, clear at a glance. Caution: 0. 02% BAC (0. 2 0. 5g L); Danger: 0. 05% BAC (0. 5g L), with sound