Color: Black - Material: Plastic casing - Receive and transmit video signals over UTP wire - Provides noise interference restrain design and permitting stable images - Built-in transient protection design needless to use a ground connection - Transmission distance: Colorful (max 300m)/ monochrome (max 600m) - Suitable for NTSC/PAL/CCIR/SECAM system - Frequency response: DC-8MHZ - Common-mode rejection ratio: 60dbi - Impedance: BNC (male) 75ohm cable terminal 100ohm - Working temperature: -10-70'C - Compact size and easy installation - A pair will be shipped