NOYAFA NF-AT9 Professional-Grade Breathalyzer. Test Results in 10s

Features & Benefits:, Data accuracy - Equipped sensor adopts direct heating alcohol gas sensor (semiconductor sensor), that can detect the alcohol

Handheld Backlight Digital Alcohol Tester Digital Alcohol Breath Tester Breathalyzer Analyzer LCD Detector Backlight Light - AliExpress

NOYAFA NF-AT9 Professional-Grade Breathalyzer

Features & Benefits:, 5-IN-1 WATER QUALITY TEST: The NF-EZ9909 SP water quality tester is a combination of five functions. It can measure pH, TDS, EC,

NOYAFA NF-EZ9909 SP 5-in-1 Water Quality Tester

Quality alcohol tester non-contact breath tester with free worldwide shipping. Portable, easy to use, just plug in the usb interface and power supply.

Portable Alcohol Tester Non-Contact Breath Tester With Digital Display Screen USB Rechargeable Breathalyzer BAC Tester Tools

Features & Benefits：, Data Accuracy - With the equipped sensor, alcohol concentration in exhaled breath can be detected (0-0.19%BAC, 0-0.95mg/L),

Factory Price Noyafa JMS-25 Contactless Digital Breathalyzer

Handheld Backlight Digital Alcohol Tester Digital Alcohol Breath Tester Breathalyzer Analyzer LCD Detector Backlight Light - AliExpress

Ivation Portable Breathalyzer, Pocket-Sized Personal Alcohol Tester wi – Ivation Products

Factory Price Noyafa JMS-25 Contactless Digital Breathalyzer – NOYAFA

Features & Benefits:, Automatic calibration - The NF-EZ9908 has an automatic calibration function that adjusts to water temperature and water quality

NOYAFA NF-EZ9908 4 In 1 pH Meter Water Tester