These reliable home cannabis/marijuana testing kits will detect cannabis in the urine up to 5 to 30 days after the user has taken the drug. (depends how much THC has been taken etc) Includes 1 Free Oral Cannabis Saliva Test. The cannabis saliva test provides a convenient detection method with a short detection window, typically identifying recent cannabis usage within the past 24 to 48 hours. Detects cannabis metabolites in urine and saliva, offering dual testing options for comprehensive monitoring. Includes 5 urine tests and 1 saliva test. Provides rapid results within minutes for prompt action and peace of mind. 5 x Cannabis THC Tests. Sensitivity of this test is 50ng/ml