Manual hand-press food chopper.

This versatile kitchen tool is used for chopping, mincing, and pureeing various ingredients like vegetables, fruits, herbs, and even meat. 
It operates with a hand press mechanism that activates sharp blades to efficiently cut through food, allowing for control over the desired texture. 
Many models come with additional attachments like a beater for mixing or a salad spinner basket. 
These choppers are often lauded for their ease of use, portability, and lack of electricity requirement, making them suitable for various settings, including camping or outdoor cooking.