Dahua

branded Omnidirectional external microphone High sound quality S/N ratio (signal to noise) 58 dB Sensitivity -43 dB Dynamic range 74 dB 5 ..

Specifications: Model Number PFA139-GREY Material Aluminum Operating Temperature -40ºC ~ 60ºC ..

branded Omnidirectional external microphone Audio output through female RCA connector DC12V power supply through male jack connector S/N ratio..

branded Omnidirectional external microphone High sound quality S/N ratio (signal to noise) 70 dB Sensitivity -34 dB Adjustable gain 866 dB..