... SIP,DDNS,DNSAlarmSupport Motion Detection, Linkage Alarm, Linkage recording, sensor trigger alarm functionsPrivacy MaskSupportWIFISupport WIFI 802.11bgn,WCMA 3G wireless ... supplyWaterproof CriterionIP66Package Size25X21X11CMGross weight0.6KGNote : two-way voice , audio , USB storage , WIFI , 3G , alarm input of POE remote power ... Outdoor use IP camera with 5 Megapixel Cmos sensor for secuirty system