RTSP AVTech AVM837 AVTech AVM837 RTSP URL AVTech primary focus is IPCamera Contact avtech product urlhttp://www.avtech.com.twrtsp urlproduct priceproduct dimensionsNAfirmware versiondefault usernameNAdefault passwordNAptzNot Availablertsp ip addressencoder typeauto focusNot Availableday nightNot Available