Features Fine workmanship: use double-sided PCB materials to reduce the attenuation of high frequency signals. And a 75Ω BNC head to increase ground contact for better performance. FLASH PROTECTION This is a twisted pair transmitter with lightning protection function, which supports multiple splices, a built-in TVS lightning protection tube and a lightning protection level up to level 3. ABS casing: made of high-quality ABS material, these cables are wear-resistant and scratch-resistant and ensure a long service life. 5 pairs: the package contains 5 pairs of cables, which are suitable for long-term use and have a light weight for easy transport. Ideal replacement: wonderful replacement for old and damaged parts, good workmanship, attention to detail, helps you improve work efficiency! Specification: Item Type:Video Balun Connector Material: ABS Type: Upper Print Lightning protection level: level 3. Compatible video signal: HD CVI, AHD, TVI, CVBS Transmission distance: AHD, CVI: approx. 400 m/1312.3 feet (maximum). TVI, CVBS: approx. 300 m / 984.3 feet (maximum). Transmission distance: 3MP, 4MP, 5MP, 8MP less than or equal to approx. 200 m / 656.2 feet. Package List: 10 x Video Balun Connector Package List 10 x Video Balun Connector