Pir Detector with Mini DVR, it's integrated system of alarm and DVR function Pir Detector with Mini DVR Feature:Built-in Microphone recording real time audio dataSupport SONY,SHARP,CMOS camera Work with alarm system in wirelessPIR detective & motion detective,working steadyConnect with a mini siren,when someone intrude,it will start recording/snap automaticallyAVI recording and JPG snap ...