1. Uses the RP2350B microcontroller chip designed for 2. dual-core, dual-architecture, equipped with a dual-core ARM -M33 processor and a dual-core Hazard3 RISC-V processor, with a clock running frequency of up to 150MHz, supporting users to flexibly switch between the two architectures 3. Built-in 520KB and 16MB on-chip Flash 4. Uses Type-C interface, no need to worry about forward and reverse insertion 5. Uses high-quality relays, allowing access to loads: 10A 250V AC or 10A 30V DC Onboard isolated RS485 interface, convenient for external expansion to RS485 Modbus industrial expansion modules or sensors. Onboard compatible interface, can be adapted to some expansion boards, convenient for expanding RTC, CAN, RS232, LoRa and sensor functions. Onboard terminal power supply interface, supports 7V-36V wide voltage range power supply, convenient for industrial power supply. Onboard optocoupler isolation, to prevent relay external high voltage circuit from interfering with control chip. Onboard digital isolation, to prevent external signal from interfering with control chip. Onboard integrated power isolation, can provide stable isolation voltage, no additional power supply is required for isolation end. Onboard power supply and RS485 transceiver indicator, buzzer and RGB colored lights, convenient for sensing the operating status of the equipment. Rail-type ABS protective shell, easy to install and use, with shell. USB1.1 host and slave device support. Support low power sleep and hibernation mode. Can be identified as a large-capacity storage device via USB for drag-and-drop download of programs 34 multi-function GPIO pins are brought out. 2 I2Cs, 2 UARTs, 8 12-bit ADCs and 24 controllable PWM channels Color: As Shown Material: plastic Package Contents: 1 x Relay Module 1 x Screwdriver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.