4 Pair (8 Pcs) CCTV BNC Screw-Down Video Balun w/Mini-Coax Pigtail B & W or Color CCTV video at distances up to 750ft / 225M when used with a passive hub or transceiver Supports up to 3000 feet with an active reciever, 1500 ft with a Hub, or 750ft unpowered. Features a screwless UTP push-in connection Provides amazing interference rejection and tranient protection