SECURITY LABS SLA31 50-ft BNC Video Power Extension Cable Professional-Grade Camera Extension Cables With Locking Bnc Video Connectors  75_ Video Conductor Is Surrounded By A Heavy Copper Braided Shield That Provides Maximum Protection From Stray Rf, Digital Processing & Radiated Power Signals Gold-Plated Center Conductor Pins Minimize Low Signal Loss & Help Provide High-Resolution Display Results Includes Double Female Bnc Barrel Connector For Added Versatility 50 Ft