Breathalyzer Blowing Type Tester High Precision Portable Handheld Breath Detector with 6 Mouthpieces

Description

Semiconductor sensor. Quick response. Stable performance. Portable, easy to use. Compact and portable. With backlight. Digital display with 3 decimal points with two-color backlight Low battery reminder, remind to charge in time. After tested: All items are checked and tested carefully by our technical department.