... 5:DC12V,AC220v Our advantages:1: nearby the HK, can quickly send the products to your country, reduce your cost2 ... Twisted-Pair Video Transmission is a twisted pair achievement of the high-quality image transmission equipment, with anti-distance ... capability, transmission distance: 300metres, 600metres, and 2500metres. support all of the video format, include PAL, NTSC, SECAM, compatible with post, ...