The Night Vision Goggle kit uses the latest Generation III Image Intensifier Tube and has a built-in IR illuminator for zero light operations and a high light cut off sensor for sudden burst of bright light. The Night Vision Goggle Kit is a Mil-Spec system submersible to 1 meter and resistant to salt, fog, high humidity, high altitude, cold weather, shock and hot temperatures. Made to be head or helmet mounted for tactical operations. The unit uses 2 standard AA batteries providing 40 hours of continuous operation. High quality optics are coated to enhance night operations.