The World-Famous Discover ETG Dip Card is a fast visual, competitive panel immunoassay that can be used for the simultaneous, qualitative detection of Ethyl Glucuronide (ETG) at a 500ng/mL cutoff level in human urine. Up to 80 hour detection Read results in 5 minutes, stable for 1 hour Comparable to Lab Tests Compared to generic, it's easier to interpret, more accurate, and reads faster Results remain valid for up to 4 hours after test initiation These are screening devices only and although very accurate if you get a positive we recommend a certified lab for LC-MS/MS Confirmation. These drug tests are intended for workplace testing & forensic use ONLY (not FDA cleared or CLIA waived).