1, IP network camera 2, working with access control system 3, ... 1/100,000sWhite balance, backlight balanceAutoLensStandard: 6mmNight visionInfraredΦ5 36 LED lights, if they are <10Lux, Infrared light opens automatically, ... AttachmentAdaptor, Disc (including introduction), Manual, bracketAlarmAlarm detectionBuilt-in motion detection, threshold can be setAlarm actionSupport Email,SMS alarm etc. ...