This video balun is VideoSecu brand, please report to Amazon.com if you received one without the brand name. That's a counterfeit product. It is perfect for CCTV camera, home theater, auditorium, or small-business solutions, for extending video and audio signals feeds extended distances from their source with absolute minimal quality loss, if any. Consolidate your cables into one sleek run of cat5 and save money at the same time. Package included: 10 pairs of video baluns.
Transmits audio, video and power over a single cable
Sends video up to 1,200 feet via inexpensive cat. 5 twisted pair cable
Built-In surge protection. 50 dB cross-talk and noise immunity
Come in pair, one for camera, and one for DVR
Lower cable cost: The cost of baluns plus Cat. 5 cable may less than traditional wire. Especially for high cost Plenum Coax cables