Welcome to our store！</br>1、Energy saving, 2pcs AAA batteries can be used for one year, no need to replace frequently. 2、The LCD display allows you to see clearly, and the digital wine tester will automatically give you an audible alarm. 3、Automatic power off function, automatically shut down after 10 seconds of detection. 4、Built‑in semiconductor wine sensor chip, for quick response and recovery. 5、Air blowing design, with 5pcs mouthpieces, can be used by multiple users. <p class="wang-edit-text"><p class="wang-edit-text"> Condition: 100% Brand New Item Type: LCD Breathalyzer Color: Black Material: ABS Plastic Sensor: Semiconductor wine sensor Warm-Up Time: 10 seconds Response Time: 5-10s Working Temperature: 5-40℃ Test Range: 0.00-0.019% BAC, 0.0-1.9g/L Accuracy: -0.01-+0.02%BAC Power Supply: 2x1.5 v AAA alkaline batteries (Not included) <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x LCD Breathalyzer5 x Mouthpiece 1 x Manual Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>