Specification Name Portable Car Alcohol TesterModel MR997Measurement Method Semiconductor Gas SensorMeasurement Range 0 200mg 100mL Alcohol ConcentrationPower Supply 3 AAA Battery Not included Operating Voltage 4 5VTemperature Range 5°C to 45°CSize 120mm 56mm 17mmWeight 75gFeature High Precision Measuring Capability Advanced semiconductor sensor delivers accurate readings within 10 seconds of preheat Clear Display with Indicators LCD screen shows results with color coded indicators for easy interpretation Compact and Portable Design Lightweight at 75g easy to carry and store anywhere Replaceable Mouthpiece Technology Ensures hygienic usage with interchangeable mouthpieces Battery Efficiency Powered by 3 x AAA batteries supports up to 180 uses before replacement Note Batteries are not included and need to be purchased separately Due to the different monitor and light effect the actual color of the item might be slightly different from the color showed on the pictures Package Included 1 x Alcohol Tester1 x User Manual5 x Mouthpieces