Brief:This product is used for the qualitative detection of tetrahydrocannabinolic acid in human urine with a minimum detectable concentration of 50 ng/ml, and for preliminary screening of tetrahydrocannabinolic acid. 1. Product form : Test card 2. Specification : 1 Test/kit; 5 Tests/kit; 20 Tests/kit; 50 Tests/kit 3.The product is NOT AVAILABLE for the USA marcket. 4.This product is ONLY AVAILABLE for WHOLESALE,MOQ 1200 pcs.