Relay Module 5v Low | 4-channel (OT954-C103)

High load possible: AC250V 10A / DC30V 10 ARelay control 5v4 separate relays on printed circuit board with optocouplerwith 4 LED indicators4 holes in the corners for mountingLow inputPlease note: we recommend using an external 5V power supply.Search terms: relay 5v, 5v relay, relay 5v, 5v relay, relay low, relay low, relay low, blue relay, relay blue, relay 250v, relay 220v, relay 4 channel, relay 4-channel, relay 4 channelDimensionsLength: 7.3cmWidth: 5cmHeight: 1.8cm