NOVASTAR light sensor. Work with Novastar MFN300 and MFN300-B Multi-function Card
Ambient brightness detect(photo eye control system), 256 levels of auto brightness adjustment
Novastar LED Display Accessories Ambient Brightness Sensor NS060-5A/10A/30A
Sending card (MSD300, MCTRL300, MCTRL600), PSD100 or multi-function card (MFN300) supported.
5m standard cable, 100meters extend.