Features:<br> Digital display function: This alcohols tester has fast detection speed, making it more convenient to use.<br> High Accuracy: Alcohols detector is a high sensitivity alcohols measuring instrument with high accuracy.<br> Hygienic Nozzle: Accurates alcohols breathalyzers does not use traditional suction nozzles, it is clean and hygienic and can be used with confidences.<br> Rechargeable: This alcohols tester is equipped with a rechargeables battery, which is charged via USB cable, has a long standby time, is lightweight and compact, easy to carry, and can be easily placed in a purse or pocket.<br> Small Portable: The alcohols tester has a built in purification chamber and is small and portable, making it easy to use when going out.<br> Notice:<br> 1.Actual color may be slightly different from the image due to different light effect<br> 2.Please allow 1-3cm deviation due to manual measurement<br> Size: 103*28mm<br> Battery: 200mah<br> Package List:<br> 1x Portable Alcohols Breathalyzers Tester