We are Leetek Security Co., Ltd based in Shenzhen , China. We are member of Tradekey.com since July, 2010. Our business is related to Security & Protection industry and we specifically deal in cctv cameras,standlone dvr,car cameras. Please find our product details below: Standalone DVR, ccd 0LUX LS-ZIR5410E-40 Color Sony 1/3&＃039;&＃039; H.264 compression, 4ch video input, 2ch video output;4ch audio input, 1ch audio output, alarm, ptz motion detection supported, D1 real-time playback, network LAN/WAN view, supporting CDMA, GPRS, 3G view &USB backup;Virus free Linux O/S, auto system upgrading; VGA output; support 1pcs HDD MAX. 1TB; dimension:30*25*6cm. ; accessories: manual, powersupply, CD software, mouse, ir remote cctv cameras and Standalone DVR those are some of CCTV CAMERAS ans Standalone DVR , that we privide in our company , please check the pictures cctv cameras and Standalone DVR those are some of CCTV CAMERAS ans Standalone DVR , that we privide in our company , please check the pictures Standalone DVR, ccd 0LUX LS-ZIR5410E-40 Color Sony 1/3&＃039;&＃039; H.264 compression, 4ch video input, 2ch video output;4ch audio input, 1ch audio output, alarm, ptz motion detection supported, D1 real-time playback, network LAN/WAN view, supporting CDMA, GPRS, 3G view &USB backup;Virus free Linux O/S, auto system upgrading; VGA output; support 1pcs HDD MAX. 1TB; dimension:30*25*6cm. ; accessories: manual, powersupply, CD software, mouse, ir remote Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.