Alcohoot Edge

Alcohoot Edge is touted as the world’s most advanced mobile alcohol tracking solution

The device uses the same grade of technology found in breathalyzers used by law enforcement agencies; it is currently up for pre-order for $60 at Indiegogo.
Alcohoot

Alcohoot is a smartphone-connected, police-grade breathalyzer

Working with an accompanying mobile app, the lightweight device plugs into the smartphone's headphone jack and is instantly ready to use.