Welcome to our store,hope you enjoy your day! 100% Brand New. Multi mouthpieces design, convenient to replace mouthpiece for use by many people. Cover design prevents bacterial contamination during storage. 360-degree rotating blow mouth, easy to use. Item Name: Alcohol Tester Material: ABS Detection Range: 0.000-0.199%BAC, 0.000-1.990‰BAC, 0.000-0.995mg/L(BrAC) Alarming Point: 0.050%BAC, 0.500‰BAC, 0.25mg/L(BrAC) Accuracy: ±0.010%BAC, ±0.010‰BAC, ±0.05mg/L Reaction Time: <5s Warm-up Time: 10s Blowing Time: <10s Working Environment]: 5 to 40 Degree Celsius Powered by: 2 x AAA Batteries(Not Included) Size: 7.7cm x 5.6cm x 1.4cm/3.03" x 2.20" x 0.55" (Approx.) Notes: You will find more amazing products if you visit our store. We guarantee the lowest price and the highest quality for all of our products! Due to differences in lighting and screen settings, the color of the project may be slightly different from the picture. Due to different manual measurements,allow for slight size differences. Package Includes: 1 x Alcohol Tester 5 x Mouthpieces