Rechargeable Breathalyzer Portable Breathalyzer for Individuals and Homes Drunk Driving Insufflation

Two modes: Accurate mode 1 to meet the needs of different ocns - a blow needs to be installed for more accurate (5 tubes are included). Quiche1 - no blow required, suitable for multe people, quichewhether there is or notSmart , high-precision rAccurate numerical values, high-definition large-screen displayLight and compact, just enough to hold with one handColour:Photo ColorMaterial:ABSPackage Contents:1 x 1 x Charging cable5 x blowOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the ture a little different from the real thing. The measurement allowed error is +/- 1-3cm.