Breathalysers, High Precision Breathalyzer with Professional
Breathalysers, High Precision Breathalyzer with Professional Digital LCD Display, Alcohol Testing Kits with Memory Function & Voice Notification, 20 Mouthpieces Included for Home and Parties The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. TORVEX high precision breathalyzer Merchant video Operating Steps Step 1 Insert 3 AAA batteries and the air nozzle into the alcohol tester. Step 2 Press and hold the power button for two seconds, then wait 10 seconds for preheating. Step 3 When the screen displays "Blow" with a voice prompt, blow continuously...