AXIS F44 Dual Audio Input Main Unit. 4-channel main unit to beused with any of AXIS F Series Sensor Units. Supports 1080p in15/12.5 fps or 720p in full frame rate. Two way audio, 4configurable I/Os with 12 V output and RS232. Supports Edge Storagethrough NAS or SD cards (optional). Two SD card slots. PoE and 8-28V DC support. Comes with a stereo-to-mono adapter cable that allowstwo audio inputs. This article replaces AXIS F44 Main Unit(0659-00x) and the US version of AXIS F44 Dual Audio Input(0936-004).