Surveillance Signal Converter 8MP Video Balun Twisted-pair Video Transfer PAL, NTSC, SECAM Composite Video Signals Compatible with AHD CVI TVI PVC Cable Material Eco-friendly raw material power cable - rejects poor-quality recycled materials. New, flame-retardant, oxidation-resistant, anti-UV, anti-aging PVC plastic. Gold-Plated Pure Copper Contacts Pure copper contacts ensure stable video image transmission with low signal loss. Press-Type Wire Terminals Press-type terminal block - screwless design for easy installation, convenient and durable. Passive Twisted Pair Transmitter Compatible with AHD/CVI/TVI - High-eficiency transmission, anti-interference Anti-Interference Transmission High-quality BALUN design - transmits PAL, NTSC, SECAM composite video signals without additional power, ensuring more stable transmission.