For which test is this good for?
 Marijuana (THC)
 Standard laboratory level in US
For what it is:
 Marijuana drug test detects THC at 50 ng/mL with a single panel
What else you need to know: 
Test provides only a preliminary qualitative test result. Use a certified laboratory to confirm your results via gas chromatography/mass spectrometry (GCMS).
HOW TO USE
– collect  urine in a clean cup as sample
– take test out of pouch
– remove cap from bottom of test
– dip absorbent end into urine sample until the “C” line appears
– attach cap again onto the absorbent end
– lay test on flat surface for 5 minutes
– note results at 5 minutes, but do not interpret after 10 minutes
Reading results:
– For Negative result: Two lines will appear, one next to the “C” and one next to the “T”.
–For  Positive result: Only one line appears next to the “C” and no line next to the “T”.
- For Invalid result:No lines will appear next to the “C” or the “T”
Note: The shade of the “T” line may vary. But should but considered negative whenever there is even a faint line.
Features :
High Standard THC testing device
Easy to use, self testing device
Read instructions & test interpretations on packaging
Made in the USA