The ketone breath test is a more accurate method than the urine strip test, and it is more convenient to test, you just need to breathe with a digital ketone breath tester to avoid finger pricks, the device can be reused thousands of times, relativelyspeaking , you can save a lot of money compared to test strips, a portable ketone breath tester designed to take anywhere in your pocket and make sure you're always in ketosis; Ketone Respirometer with 3 LED Indications: Green (Successful Ketosis Reading), Amber (Low Battery), Red (Failed Ketosis Reading) Ketone Breath Monitor Easy-to-use, one-button operation compatible ketone readings: a reading of 0.0 means you are not yet in ketosis, while a reading between 0.5 and 3.0 means you are in full ketosis, the optimal ketone zone; more More reading details can be viewed on the detaileddescription page