The 2nd-generation AXIS F2115-R varifocal sensor can be combined with an AXIS F91 main unit to build an ideal solution for discreet indoor surveillance. Full frame RGB CMOS image sensor, Varifocal lens, F2.2 to F3.1, Supports resolutions up to 1080p Please note: Only works with a 2nd-generation main unit and TU6004-E cables.