Very easy to use.
For single use, it does not use a balloon to preserve the environment.
You squeeze the tube, then just blow gently until the color of the pellet changes in the front of the tube.
The test result is displayed color coded after direct breath analysis.Instructions for use printed on a paper leaflet provided.
Test resolution between 2 and 10 minutes, when the control patch turns red.
Works between 10 and 40 ° C.
Store between 0 ° C and 40 ° C.
No direct contact of substances for the user.