Dear Manager, Happy New Year! This is Kevin from INSTARGO CO.,LTD We are factory produce a wide range of CCTV Accessories, POE switch, Tester, Power Supply, IR Lighting, BNC Connector, CCTV Housing & Bracket,Wire/Cable, Microphone,Video Balun, Lens, package etc. All of the products are high quality with 100% QC test before shipping. Welcome your inquiry. Regards, Kevin