1xbreath alcohol tester with 5pcs mouthpieces1xEnglish manual1xGift box Inner packing: gift boxQTY per carton: 100pcsCarton Meas: 41x26x27cmG.W / N.W: 8.0kg / 7.0kg
1. When after drinking,it is recommended to test after 20 minutes, it is because 20 minutes is approximately for alcohol to be absorbed into blood from the digestive organs.
2.For accurate result,do not repeat next testing within 3 minutes after last time.
3.Do not smoke and eat for 20 minutes prior testing.
4.Do not use any excitant substances near the tester,such as paint,insecticides,alcohol.
5. Do not place the tester in the closed environment with contaminated air.