Product Description Product name:Video balun(MVT-P1) (1)Screwless Terminal Block reduces Wiring time; (2)PAL, NTSC, SECOM All-systems compatible; (3)Cat 5, 5e, 6 twisted pairs instead of coaxial cable; (4)Up to 225m(750 feet) works in conjunction with Ourten Passive (5)Receivers, and 800m(2624 feet) with Ourten Active Receivers; (6)Open on spot and easy adjustment; (7)Convenient installation.