Features: Digital display function: This alcohols tester has fast detection speed, making it more convenient e. High Accuracy: Alcohols detector is a high sensitivity alcohols measuring instrument with high accuracy. 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. Small Portable: The alcohols tester has a built in purification chamber and is small and portable, making it easy e when going out. Perfect for Safe Driving: Ideal for checking your alcohols levels before driving, this alcohols tester helps you stay within safe limits. The red light indicates "drunk-driving," while the yellow light shows you are within permissible limits for safe driving. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Product Model: H9 Sensor types :semiconductor Material: ABS Working hours: 300 times Measuring range: 0- 0.19%BAC 0- 0.95mg/L Battery capacity: 200mAH Charging input: 5V1A Charging interface: TYPE-C Indication error:± 0.01%BAC Package List: 1X Portable Breathalyzers Alcohols Tester