【Easy Alcohol Checker】 ⚫︎ Requires 2 AAA alkaline batteries (sold separately). 【Breath-In Type / Non-Contact Alcohol Checker】 Since it doesn't use a mouthpiece, it's hygienic. You can measure by blowing your breath from a distance of 1 cm. This is a hygienic home alcohol tester that can be used by one or more people. ⚫︎ After turning on the power and allowing for the warm-up time, you can easily measure the alcohol concentration in your breath just by blowing into it. 【Measurement Results】 The alcohol detector has a light, making it easy to see even in dark places. The contrast is clear, and the visibility is high. Warning sounds depend on the measurement results: ① Alcohol concentration < 0.15mg/l, green light turns on. ② Alcohol concentration in the range of 0.15mg/l - 0.25mg/l, "Warning" text is displayed → yellow light turns on → warning sound is heard. ③ Alcohol concentration ≥ 0.25mg/l, "Danger" text is displayed → red light turns on, and a warning sound is heard. 【LED Liquid Crystal Display】 【In 5 Seconds! High Precision】 Measurement in just 5 seconds! The alcohol checker is equipped with a highly sensitive semiconductor sensor. You can detect alcohol concentration in just a few seconds to check if you can drive safely. 【Portable and Convenient】 Small and portable! The main body size is 105 x 32 x 17mm, palm-sized and easy to carry ◎ Immediate purchase is welcome, and silent purchase at midnight is OK ◎ ＊Welcome to bulk purchases, feel free to comment ＊Free shipping! ＊Please contact us before evaluation if there are any problems. ・Please understand that the product will be stored at home and shipped in simple packaging. (⁎ᵕᴗᵕ⁎) ・Please check the actual photos for the condition of the product ♪ ※ To sell at a slightly lower price, we may ship the product without the box due to shipping costs. Product list #kooos♡room Alcohol detector specified by the National Public Safety Commission OWO Alcohol checker Alcohol concentration meter Non-contact type Alcohol tester Alcohol check Alcohol testing machine LED display Hangover prevention Overdrinking prevention Non-contact breath alcohol measuring instrument Simple portable type 5-20