Professional Breathalyser Digital Display Breath Alcohol Tester DetectorItem Type: Alcohol TesterMaterial: PlasticFeatures: Digital Display， ExpirationColor: Black + RedSize: 95*37*15mm/3.74"*1.46"*.059"Power supply: Two 1.5V AAA Alkaline batteriesCondition: 100% Brand New and High qualityFunction:Figures show resultsAutomatic shutdownQuick response and recoveryLow power tipsPackage Included:1 x Alcohol Tester