Product Description Futures: 1. Video test function, high resolution LCD screen 2. PTZ control and test function 3. Support RS232, RS422 simplex, RS485 and multi-Protocol 4. UTP cable test function 5.1 channel video generating function 6. RS485 data test function 7. OSD menu, visual and simple operation 8. Powered by power adapter or battery 9. Low consumption, battery power status
