•【High Precision Alcohol Detection】Advanced semiconductor gas sensor technology provides accurate measurements of breath alcohol concentration from 0 to 200mg/100ml. •【Easy-to-Read Results】Features a clear LED display with green,yellow,and red indicator lights for quick interpretation of test results. •【Portable Design】Compact size of 99*48*23.1mm makes it easy to carry in your pocket or car for convenient use anywhere. •【Multi-Purpose Use】Ideal for personal use at home or in vehicles to ensure responsible drinking and driving. •【Built-in LED Flashlight】Includes a white light emergency LED for added functionality and safety in low-light conditions. •【User-Friendly Operation】English voice prompts guide you through the testing process for simple and straightforward use. Specifications: •Material: ABS •Voltage: 4.5V •Current: 120mA •Battery: 3 x 1.5V AAA battery (not included) •Using temperature range: -5℃~+45℃ •Storage temperature range: -20℃~+50℃ •Indicator: Green/Yellow/Red •Voice: English •Detection method: Semiconductor gas sensor •Breath alcohol concentration measurement range: 0-200mg/100ml •Measurement object: Breath alcohol concentration •LED emergency light: White light •Size: 99*48*23.1mm/3.86*1.87*0.9in Package included: •1 x Alcohol Tester •5 x Mouthpiece