IP Network Extender Signal Amplification Transmission Converter Elevator monitoring transmission - Can use the elevator accomparying cable transmission network HD video signal, it has the arvantages of long ransnisiin distance and strong anti-inleterenc ability. Strong compatibility and expansion - Support multi-node high-definition video transmission at the same time without delay, only the digital signal for medium transmission, without any harm. Multi-node networking. Long-distance transmission. Transmission rate 100M. Self-recovery function. Can transmit 8 million IPC. Plug and play. Colour:Black Material:Metal Package Contents: 1Pair * Camera Signal Converters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.