Hi dear friend,I am Tina from Seculink and we devote to security monitoring products with CE,RoHs,FCC,etc. certifications.Seculink possesses a stable and advanced series of product-IPC,DVR, NVR,POE,etc.Moreover,Seculink has the leading team of research and development.Based on the high technology and strong R&D team,Seculink is always on the leading position of the security industry.