CCTV EXPERTS. Require assistance with your CCTV system?. 2.8 mm, 3.6 mm, 6 mm fixed focal lens. Lens Type 2.8 mm, 3.6 mm, 6 mm fixed lens. Audio over coaxial cable, built-in mic. Lens Mount M12. 4 in 1 video output (switchable TVI/AHD/CVI/CVBS).
eBay