Shenzhen kavass technology Co., ltd., was founded in 2008 and the manufactory was located in Shenzhen . With large scale production capacity , unique business philosophy and market operation mode, we specialize in research & development , production and sales of security products . KAVASS has complete line of Home video surveillance products include IR analog camera DVR Kits, IP wireless camera NVR kit, the newest PNP IP Camera. 4 to 8 channel H.264 NVRs, 4 to 8 channel H.264 DVRs. All of ...