Features 1、A simple method to analyze the BAC in your blood anytime, anywhere. 2、Digital breathalyzer tester with audible alarm, non‑contact testing, no mouthpieces required. 3、The response is fast and sensitive, automatically shuts down the power, responds quickly and restarts. 4、Digita LCD display with 3 color indicator light, it is clear results both in days and nights. 5、Compact and lightweight design, small in size, easy to carry, more convenient to use. Specifications: Conditon: 100% Brand New Item Type: Breathalyzer Material: ABS Color: Black Measuring Range: 99.9% Measurement Object: High-Risk Groups such as Drivers Measurement Accuracy: 99% Resolution: 99% Battery: Lithium Battery(Built-In) Electricity: 300MAH Voltage: 4.5V Power Supply: Usb Charging Warm-Up Time: 10s Response Time: 10s Package List 1 x Breathalyzer 1 x USB Charging Cable 1 x Manual