You Do Need power plug adapter while traveling from Eritrea to New Zealand.

Here is Why You Need An Adapter

The outlet and plug type used in New Zealand is I and in Eritrea are C and L. This is how they look like.

In Eritrea, outlets of type C and L are in use.

Type C

Type L

In New Zealand, outlets of type I are in use.

Type I

I am from

going to