The Rapid Response™ Xylazine Test Strip (Liquid/Powder) detects the presence of xylazine in liquid and powder substances at a concentration of 1000 ng/ml or higher. This drug test can provide accurate and fast results as soon as 1 minute. For forensic use only. Not an IVD. Kit contains 100 Tests per kit.WARNING: This test does not evaluate drug safety or purity.The latest update to the Rapid Response™ Xylazine Test Strip (2.0) can be used to test cocaine samples and has shown no cross reactivity with lidocaine.This kit includes 100 individually packaged test strips sealed to prevent contamination, results interpretation card to aid in reading the results, and instructions. Every pouch features a QR code linking it to the BTNX Harm Reduction Resource Page – giving every user access to written and video instructions. T’s and C’s are printed on each strip to indicate the orientation of the Test and Control lines.