User-friendly:LargeLCD interface with 3 true decimal points (eg. 0.023%BAC) Enhanced feature:(1)aEXiT:Automatic air exhaust for cleaning residue gas inside the Chamber    (2)Self-calibration: Fully automatic calibration(3)Memories:99alcohol reading memories                  (4)Bi-color backlighting, pre-alert (for tolerance compensation)(5)RTC: Real time Clock in 12/24 hour format                 (6)Temp.: Temperature in℃and℉withMAX/MINmemoriesProduct Specifications:Range:Low,0.15 ~ 1.5 ‰BAC, Hi or Low, 0.075 ~ 0.75 mg/l, Hi orLow,0.015 ~ 0.15 %BAC, HiAccuracy: /-0.01%BAC at alert levelpoint for a period of 6 months after shipping.Display:Large LCD display & 3 decimal points (eg. 0.023%BAC) Tolerance compensation:Pre-alert warning when close to allowed limitUnit Conversion: ‰BAC, %BAC and mg/lCalibration:Advance user calibration functionAuto power saving:2 minutes
Breath sampling:about7seconds continuous breath sample  Cycle time:~60secondsAutomatic flow detect technology:to monitor the continuous breath samplingAlert level calibrated:0.2; 0.3; 0.5; 0.8‰BAC or 0.02; 0.03; 0.05; 0.08%BAC or 0.10; 0.15; 0.25; 0.40 mg/lPower Input: 3 * 1.5V AAAAlkaline battery(Not included)Unit Dimensions:128X63X 29mm approx.                  Agency Approval:CE; DOTApproved, Comply with AustraliaAS (TYPE 2 0.05%BAC DEVICE)使用界面:宽频LCD