... , mm12Diopter adjustment, dptr± 5Detection distance (approx.), yardup to 250IR illuminator effective distance, yardup to 100Sight typeRed LaserPower supply3V (CR 123A ... light several thousand times, and an exclusive Pulse™ built-in infrared illuminator that expands viewing range and minimizes battery drainage. Fully multi ... Yukon NVMT-5 3X42 night vision scope/Night vision goggles/infrared goggles