Stable Module: The ESP Relay module supports all pins of I/O port and UART program download port, programmable keys and reset keys, which is mature and stable
Output Switching: The ESP Relay board contains two 5V relays with output switching, suitable for controlling loads with operating voltages of AC250V or DC30V or less
Large Capacity: The relay module has a large enough capacity of 4M to be used according to the actual situation
Safe: The ESP Relay board is equipped with BLE modules for safe run
Application: This ESP Relay module is suitable for secondary learning, smart home, etc