What camera resolutions does Lenovo Z6 Youth feature?

Here are details about the Lenovo Z6 Youth's camera sensors:
Rear Camera : 16 megapixel
Front Camera : 16 megapixel
Camera Options : 16 MP, f/1.8, PDAF
8 MP, f/2.4, (telephoto), PDAF, 2x optical zoom
5 MP, f/2.2, (wide)