Novastar MRV336, LED Display ReceptorCondition:* Used, removed from service in working condition. Unable to test. As pictured.Additional Notes:* Power Supply: 3.3~5.0 Volt DC* Temperature Monitoring* Power Supply Voltage Monitoring* Working Status Monitoring* 16 RGB Data Groups Output (Can be Extended to 32 Groups.)* Load Capacity of Single Receiver Card up to 256 x 226 Pixels* Support Pixel Level Brightness/Color Calibration* EMC PassedNovastar MRV336