This multi channel relay module uses current relays to provide safe, stable control for your projects. It is compatible with a wide range of microcontrollers and features an easy to install design with flexible triggering options. Key features and benefits Safe and reliable control: current relays designed for robust electrical switching and stable operation. Broad compatibility: suitable for various microcontrollers and easily integrated into projects. Flexible triggering: supports both level and low level trigger modes with a built in jumper for quick selection. Easy wiring: fault tolerant design with all interfaces accessible through terminal blocks for straightforward connections. Durable construction: PCB layout with a red circuit board housed in a durable ABS shell for added resistance. Specifications Material: PCB (circuit board) Color: Red Maximum load: 250 VAC / 30 VDC Trigger current: 5 mA Size: 141.5 x 50 x 18.5 mm (5.6 x 2.0 x 0.7 in) L x W x H Package contents: 1 x Channel Relay Module Design and interfaces current relays with a PCB layout for reliable performance ABS outer shell provides durability and protection Faulttolerant design enhances stability during operation All interfaces wired out through terminal blocks for convenient connections Jumper selects or low signal triggering to suit your control logic How to use Simply connect the power supply to the module terminals Link the microcontroller to the provided interface to control the relays Use scenarios Home automation: switch lighting, fans, or appliances from a microcontroller or smart home hub Industrial control: manage machines or process actuators that require solid, reliable relay switching Prototyping and electronics projects: convenient, safe relay control for development and testing This description retains the original product specifications and functions while presenting a clear, customerfocused overview with practical use cases.