fuel cell sensor&IS0 quality system certification&Small size- alcohol tester-Used by personal/police or gift

Small size and easy to carry; fuel cell exhaled breath alcohol content Two-way detection mode. Get contact and uncontact mode The company has complete independent intellectual property rights,and is a service-oriented enterprise integrating R&D, production and salesYou may also like Simple HealthKit At-Home Men’s Total Testosterone Test Collection Kit, Measures Total T Levels in Males, Free Follow-Up Care & Fast Lab Results, 1 Kit.