... way audio, Pan Coverage: 270 degree, Tilt Coverage: 90 degree Wireless Pan-Tilt Internet IP Camera, Support 2 way audio, Pan ... : f=4.5mm, F=2.0, Fixed Iris 3) Infrared LED: 11 infrared LED, automatically operate in dark environment 4) Resolution: VGA ... : f=4.5mm, F=2.0, Fixed Iris 18) Infrared LED: 11 infrared LED, automatically operate in dark environment 19) Resolution: VGA ...