Fentanyl Testing Strips, Fentanyl Test Strip Kit，High Sensitive, Rapid Response, Easy to Use and Read, Test Strips Per Pack - EZING 10

• Easy to Use: Fentanyl Test Kit can be used to liquid and powder substance, Just obtain 10 milligrams(mg) sample and mix it with water in the bottle, dip the testing strips and waiting for the result for 5 minutes Easy-to-read: Interpretation of test results are: positive (one control line), negative (two lines), invalid (no lines or no control line). High Sensitive and High Accuracy: Accuracy: > 97%, Time to result: 5 minutes,Fentanyl - cut-off 100 ng/mL Reliable Quality, We have a professional medical research and development team and rigorous testing to ensure the reliability of our products What Include: 10 Fentanyl Test Strips + 10 Micro Swab + Instruction+ Tube x2