The pH meter is supplied in a plastic box in which it can be kept for later, which accompanied by a guide (in English only), 2 powder to dissolve in water and a small screwdriver (for calibration). The pH meter is supplied ready for use.
The calibration is described simply and accurately, but would not have been necessary because the pH meter indicated precisely the values that it should.
When measuring with the device, you must first wait a bit and slightly stir in the liquid. Unfortunately, keeping clear and it appears zack does not. It must level off only. This can sometimes take a little longer. In addition, you should make sure that the probe will always be rinsed well with distilled water and then blotted with paper towel, otherwise distort the measurement result adhering residues.
Conclusion: Easy to use and accurate. Recommended for home use.
