Holly's thermal imager showed that his heartbeat was dangerously slow and weak.

It was still warm enough to be picked up by her thermal imager.

If they can get a thermal imager in our vicinity, we'll show up as a hot spot.

It has a daylight camera and thermal imager, plus a laser rangefinder and a system that automatically corrects for vehicle movement.

Any night-vision device used by the enemy -light intensifiers, thermal imagers or infrared scopes -could be swiftly nullified.