Sightmark SM14070 Ghost Hunter Night Vision, 1 x 24 Goggle Kit N/A Imported Hand held and head mountable operation. Integrated IR illuminator. Automatic shutoff when exposed to bright light. Lightweight and compact 1x magnification for accurate depth perception. Durable glass filled nylon composite housing Multicoated optics. Weapons mountable. 72 hour operating time w/o IR activated. Battery Life with IR is 20 hours Tube type is EP33-U. Photocathode type is S25 multi-alkaline photocathode. IP Standard IPX3 weatherproof Intensity IR illuminator power is 75 mW. IR Wavelength is 805 nm. Field of View: 30 Degrees. Max Viewing Range: 184 yards