We specialize in the development and production of high-quality security monitoring products which have already formed diversified series Standalone DVR Systems: High Speed Dome Cameras Video CCD,CMOS Cameras/ Network Products Video Processor Products, and some Accessories. sinlay can meet requirements of different environment and different level applications. sinlay brand products are sold far to Europe America, Southeast Asia and other countries and regions. High quality good price, on time delivery and sincere service are our value and promises to our customers. br