Linsn SB-8 External Sender Box (Empty) Leeman LED Billboard

Linsn SB-8 External Sender Box (Empty. No Sending Card inside) Leeman LED Billboard

The outer box is made to have the sending card portable.
Independent power supply, switch on/off control on box
One TS801 sending card can be put inside.

This box is for sending card.
with the SB-8 sender box and a HDMI to DVI cable , you can control the LED screen by a laptop.
This box is no sending card in it.
If you need the sending card in it, you can order this (one TS802D+ Sb-8 Box).