We update the AT-818, and named it as AT-818S, it means super AT-818, the test result is more accurate and reliable. Features 1. High accurate and sensitive semiconductor sensor 2. Shows result on big screen 3. 5 units optional(%BAC, ‰BAC, mg/l, g/l, mg/100ml) 4. 10 times test results records 5. Loud alarm 6. Auto power off Certification: RoHS, CE Note: 1.To ensure the accuracy of the test result,please wait at least 20 minutes after drinking. Because it takes about 20 minutes to absorb alcohol into bloodstream from digestive system. 2.To ensure the accuracy of the test result, please wait at least 3 minutes to begin next test after last test. 3.To prevent other liquids flow into the air-blowing tube, please do not use chemical or corrosive solution/liquid to wipe this product. 4.This product can not be used normally in the environment with high concentration gas. 5.Deviation will be appeared if it is working in low power. Please ensure the batteries are not exhausted. Package Included: 1x Breath Alcohol Tester 5x Mouthpieces 1x User Manual
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