The Precision Hand Held Reader Drug Test Cassette is a fast visual, competitive panel immunoassay that can be used for the qualitative detection of drug metabolites at specific cutoff levels in human Saliva Up to 99% Accurate Immediate Results Shelf-life up to 18 months Collect the specimen with collector Read the results immediately Ideal for low-volume donations These drug tests are intended for workplace testing & forensic use ONLY (not FDA cleared or CLIA waived).