Retriggering the ability will detonate the mine.
The Duosol engineers who designed this weapon miscalculated a typical runner's restraint in the face of a red button. After many of these charges were detonated while still resting in a cargo bay, a new design was released, featuring a smaller and far grayer button.
The ring around the mine shows how large the explosion will be.
The mine can be detonated either by an enemy touching it, or when you choose for it to go off.