VDWall LED Screen Controller SC-4 LED Sending BoxSC 4 Sending card box 1. standard 19 inch case design, can be installed in the cabinet directly. 2. Drawer design: 4 sending cards can be installed without openning the case. 3. Uniform power supply: convenient for sending card's installation and management and it also offers backup in application. 4. Compatible with most sending cards available on the market; mainly used for mosaic of ultra large LED display. Input Voltage 100 240VAC 50 60HZ Overall
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