... MaskSupportWIFISupport WIFI 802.11bgn,WCMA 3G wireless networksInterfaceAudio Input1CH input,Support the pickup inputAudio output1CH output,Support the headset ... Size25X21X11CMGross weight0.6KGNote : two-way voice , audio , USB storage , WIFI , 3G , alarm input of POE remote power supply is optional ... HD 720P outdoor hd Waterproof Outdoor use IP camera with 5 Megapixel Cmos sensor for secuirty system