Octave Security Technology Co., Ltd. is an excellent manufacturers of DVR products and also a high-tech industrialization base in Shenzhen. Octave's products included hybrid DVR, NVR, standalone DVR , Car DVR, Color Quad System and digital video series. These products are used in more than 50 countries and get the widely recognized by users. Octave has its own brands. All products have independent intellectual property rights.stable and reliable products have been used to secure various security applications around the world that included urban security, banking, telecommunications, power, justice, transport, residential place, factory, warehouse, resources, water conservancy facilities, real-time video surveillance systems and many other fields. For more information, please visit our website at .