Equipped With Cascade Port, Supports Ttl Serial Port And Then Burning Support Infrared Control, Powerful Function The Infrared Remote Control Relay Module Is Programmed By The STC8G1K08 Chip, And The Relay Is Controlled By Sending Instructions Through The Infrared Remote Control. Supports Switching Between Self-Locking, Inching, And Interlocking Modes, And Has Led Lights For Prompts. It Has The Advantages Of Multi-Mode Switching, Low Signal Transmission Delay, Low Power Consumption, And Stable Performance. Press The "Ok" Button On The Infrared Remote Control To Switch Modes., Weight: 0.07165023515 Pounds, Manufacturer: Disttocate