Feature: Ketone breath test is a more accurate method than urine strip test and more convenient to test, you just need to breathe with digital ketone breath tester to avoid finger pricks, the device can be reused thousands of times, relatively Speaking of which, a portable ketone breath tester that saves more money than test strips, takes it anywhere in your pocket and ensures you're always in ketosis Ketone Respirometer with 3 LED Indications: Green Light (Successful Ketosis Reading), Amber Light (Low Battery), Red Light (Failed Ketosis Reading) The ketone breath monitor is easy to use, one-button operation Get a ketone reading: A reading of 0.0 means you are still not in ketosis, while a reading between 0.5 and 3.0 means you are in full ketosis, the optimal ketone zone