Features:This is Digital Breath Alcohol Analyser Tester Breathalyser.Digital alcohol test with audible alertSensor: advanced semiconductor oxide alcohol sensorRange: 0.00-0.19%BAC & 0.0-1.9g/l (or 0.00-0.95mg/l BRAC)Accuracy: 0.01% BAC(0.1g/l)Quick response and resumeAuto power offUse MouthpieceKey chainUse 2* alkaline batteries (NO INCLUDED)Specifications:Original box: NOColour: Grey/BlackItem size: 110*70*25mmNet weight: 55g Package weight: 64gPacking content:1 x Digital alcohol breathalyzer tester4 x Nozzles (Can be washed and Re-Used)No Back Light LCD