Helalkit Keychain Breathalyzer, Ultra-Portable Pocket Keyring Alcohol Tester ...

Helalkit Keychain Breathalyzer, Ultra-Portable Pocket Keyring Alcohol Tester with LED Display

• 【QUICKLY AND RELIABLE】: Proprietary Advanced Sensor technology delivers reliable, accurate BAC results
• 【EASY TO USE】: One button operation means you simply power on your keychain breathalyzer and begin testing in seconds. That is easy.
• 【USE FOR ANYWHERE】: The ultra-compact breathalyzer keychain easily fits in a pocket or purse, making it a great portable breathalyzer for any occasion.
• 【TWO WAYS OF BLOWING】: Wine bottle design, supports two ways of use with mouthpieces and no mouthpieces.
• 【3 MEASUREMENT UNITS】: There are three commonly used measurement units for you to choose (%BAC, ‰BAC, mg/L). The measurement range of each unit is 0.00~0.200% BAC, 0.00~2.00‰BAC, 0~1.00mg/L