One Channel 24V Relay Module for Arduino (Works with Official Arduino Boards)
Color: Red + Blue - Quantity: 1 - Material: PCB board - One way relay module with optical isolation high pull. - Module built-with LED indicates relay status. - VCC: Connect 24V - GND: Grounding - IN: Control port high level relay pull-in low level relay release. Drive current must be greater than 4mA. - COM: Control circuit grounding shortly connected with GND - Great for DIY project - Packing list: - 1 x Module