Feature: 1. Meet Needs: The relay module can set high or low level triggers, which meet the needs of more triggering applications 2. Direct Connection: With humanized interface design, all interfaces can be directly connected through terminal wiring, which is very convenient 3. Fault Tolerant Design: This 3 way relay module adopts fault tolerant design, even if the control line is damaged, the relay cannot operate 4. Stable Performance: This high voltage relay module, with optocoupler isolation, has strong driving ability and stable performance 5. Easy to Use: This high voltage relay module, high efficiency, beautiful design, simple operation and wide application Specification: Item Type: 3 Channel Relay Module Specifications: 49 x 42 x 20mm Trigger Current: 5MA (Such as 3.3V microcontroller control, need to have IO push pull output function) Control Voltage: AC0-250V or DC0-30V Control Current: 0-7A Material: Electronic Components. Package List: 1 x 3 Channel Relay Module