The device activates, but Isabel destroys it.

The device activates an electronic field if the machine is moved, and sends an alarm by e-mail or pager to a construction company, rather than to police.

For instance, a panel could be programmed to notify the fire department only if more than one device has activated.

It's life, get over it, activate the parental controls on most all devices.

Of significance is the survival and integrity of the equipment after the explosive device has activated so that the vehicle can accomplish its task.

A device used to change gears, activated by shifters.

The device activated and dragged everything metal towards it.

When I- uh, that is, when the device activated, what happened?

As they leave a convention the alien device activates, implying that the humanoid alien teenagers may be returning to Earth.

During the middle of his speech the device prematurely activates apparently killing him, and the hologram disappears.