Compatible with all HD-CVI,HD-TVI,HD-AHD Up to 450m for 720P CVI Cameras Up to 250m for 1080P/3MP/4MP/5MP CVI Cameras Up to 250m for 720P/1080P/3MP/4MP/5MP CVI Cameras Up to 350m for 720P/960P AHD Cameras Up to 250m for 1080P/3MP/4MP/5MP AHD Cameras NTSC,PAL,and SECAM video formats No power required 60dB cross talk and noise immunity Compact size and easy installation Bulit-in transient suppession protection Innovative combinable design