bad purchase for the following reasons: it has a plastic pin to make a hole in the eggs and the eggs break. The water measurer only has the ml printed on it and you have to check the instructions every time for how many ml to add depending on how many eggs you put and how boiled you want them. Others have everything printed on the measurer. The device does not have a buzzer when the eggs are ready, it just turns off a light. Attention! the device does not turn off, you have to unplug it!