Pre-Production Model Hound® marijuana & alcohol breathalyzer World's first as confirmed by clinical trials The ultra-sensitive Hound® breathalyzer Product Performance for determining recent use Marijuana breathalyzers provide the best results Why Breath is Best Nearly 90% of police departments are concerned with expanding marijuana legalization and its impact on impaired driving and public safety. Source: 2018 Hound Labs Survey Law Enforcement Solutions 82% of employers are concerned about marijuana legalization Workplace Solutions Workplace Survey Latest Coverage Read More Read More Read More Read More Read More Read More Read More Read More Read More Company Updates Pre-production model of breathalyzer unveiled » Company Research Hound Labs presents latest research » Recent News The Pot Breathalyzer Is Here. Maybe » FACT #1 1 in 3 teens and more than 1 in 4 parents believe it is legal to smoke marijuana and drive. READ MORE AT THE HOUND FOUNDATION FACT #2 Typical marijuana smokers experience a high that lasts approximately 2 hours. FACT #3 Frequent users in Colorado drove an average of 17 times per month within 2 hours of using marijuana. FACT #4 More college students drive stoned than drunk.