Portable blown LCD breathalyzer, model AT838, 5 mouthpieces included, high accuracy for drivers

🔍 General Description AT838 Portable Alcohol Tester — accurate, reliable, and ultra-compact for drivers, road professionals, and responsible partygoers. Ideal for quickly checking your blood alcohol level before getting behind the wheel or after a night out. ⚙️ Technical Specifications Material: Durable ABS Weight: 58 g (2 oz) Power Supply: 2 AAA batteries (not included) Measuring Range: 0.000–0.199% BAC / 0.100–0.250 mg/L Display: Backlit red LCD screen + audible alert signal Accessories Included: 1 tester, 1 instruction manual, 5 mouthpieces (1 pre-installed) 🔧 Installation No installation required. Insert 2 AAA batteries, close the compartment — it's ready to go! The dust cover protects the sensor at all times. 🎯 How to Use: Turn on → wait 10 seconds → blow steadily for 3 to 6 seconds → result displayed in <5 s. For greater reliability, repeat the test every 2 minutes. Wait 20 minutes after consumption for optimal measurement. ℹ️ Other Information: Exclusive ethanol detection — zero interference. Automatic sleep mode to save energy. Slim design: easily fits in a pocket or wallet. Perfect for spontaneous checks, commutes, or nights out with friends.