... detection 3. 720P IP Module, used for IR waterproof 1.3MP CMOS Wireless IP Camera Module1080p IP Module, used for ... full D D4(720P) resolution (NTSC)Video InputComposite InputCVBS, 1.0Vp-p with 75Ω loadingBT656 optionalAudio I/OCompressionG.726Audio InputMIC ... In or Line Input Unbalanced, 1.4Vp-p, 1VrmsAudio outputUnbalanced, 1.4Vp-p, 1VrmsAlarm I/OAlarm input1 External ...