Precise, professional breathalyzer with digital LCD display, portable with USB battery, no blowpipe required for parties

General Description: This reliable and precise professional breathalyzer measures blood alcohol content quickly and reliably using a highly sensitive semiconductor sensor system. It delivers accurate results in the range of 0.00% to 0.19% BAC (0.0 to 1.9 g/L), allowing you to make a confident decision about your fitness to drive. The contactless design is hygienic and minimizes the risk of bacterial transmission, as no flashlight is required. Technical Specifications: Built-in battery: 200 mAh; Rechargeable battery: USB; Measuring range: 0.00% to 0.19% BAC / 0.0 to 1.9 g/L. Operation: Before first use, wait 15 seconds for the device to warm up, then blow into it for 5 seconds. After a further 3 seconds, the result will be displayed on the LCD screen. Further information: Three-color alarm system: Green light (alcohol content below 0.02% - normal), Yellow light (alcohol content between 0.02% and 0.08% - warning), Red light (alcohol content above 0.08% - high risk)