It is an Infrared ESP8285 Wireless WIFI Transceiver Module. The ESP-01M module with ESP8285 as the core can be used as the master control, similar to ESP8266. The module board is equipped with an infrared receiving tube and an infrared transmitting tube, controlled by IO14 and IO4 respectively, and features a separate burning port. The demonstration function can read and emit infrared key values and raw codes, allowing recording of infrared remote controls at home. It can be remotely controlled when connected to an Internet of Things platform. Features: 1. Supports Infrared control 2. Supports wireless WIFI control 3. Supports firmware update Parameters: Model: ESP_IR- Work Voltage: DC 5V Work Temperature: -25°C to 85°C Work Humidity: 5% to 95% RH Color: Black Material: PCB + electronic components Firmware Update Instructions: 1. Connect IO0 and GND pins. 2. Connect the module to a PC using a USB to UART converter. 3. Open the software 'FLASH DOWNLOAD TOOLS V3.6.4'. 4. Set the parameters. 5. Click to download the firmware. 6. Remove the connection between IO0 and GND pins to complete the update. Note: When powering the device, locate the 5V and GND pins. The circuit does not have reverse connection protection; incorrect connections may damage the chip. Package Contents: 1 x WiFi Wireless Module Only the above package content is included; other items are not included. Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in images compared to the actual product. Measurement tolerance is +/- 1-3 cm.