Vulcan Thermal + Night Vision MonocularThe VULCAN is the only handheld monocular we know of that combines two completely different night vision technologies into a single device: thermal imaging and 940nm digital infrared night vision. Switch between them with a single button press. Thermal imaging detects heat signatures people, animals, vehicles regardless of lighting conditions, camouflage, or concealment. Digital infrared night vision produces a high resolution image in complete