... ,SIP,DDNS,DNSAlarmSupport Motion Detection, Linkage Alarm, Linkage recording, sensor trigger alarm functionsPrivacy MaskSupportWIFISupport WIFI 802.11bgn,WCMA 3G wireless ... inputAudio output1CH output,Support the headset or amplifierUSB InterfaceU disk storageVideo output1CH Video output,Support CVBS standard,PAL/NTSC ... Waterproof Outdoor use IP camera with 5 Megapixel Cmos sensor for secuirty system