Clearly distinguishable +/- endpoint and two reagent extraction. A Test Complete indicator appears to let you know the test can be read. Overall accuracy of the test is 98%, with a sensitivity of 95% and specificity of 98%. The kit stores at room temperature and contains positive and negative external controls.- Strep A Test, 25 tests/kit (Continental US Onlyincluding Alaska & Hawaii) (Minimum Expiry Lead is 90 days)