16 Channels LED Indicator Light Board. Operating voltage: 5 ~ 50VDC. Diameter 5mm LEDs. Color: Red. Support Common Positive and Common Negative control modes. Terminal Block: Pitch 5.0mm/0.2" screw terminal blocks. Wire range 26 to 12AWG / 2.5mm square. Strip length 7mm / 0.28" Screws - M2.5, steel, Cr3+ Zn plated. Pin header and Cage - Brass. FR-4 fiber glass PCB. Drive current (one LED): At 5VDC: 0.3mA At 12VDC: 1mA At 24VDC: 2.2mA At 48VDC: 4.6mA