It is an Infrared ESP8285 Wireless WiFi Transceiver Module. The ESP-01M module features the ESP8285 as the core, which can be used as the main controller. This module is compatible with ESP8266. The board includes an infrared receiver and an infrared transmitter, controlled by IO14 and IO4 respectively, and has a separate programming port. The module can read and emit infrared key values and raw codes, allowing it to record infrared remote control signals from home appliances. When connected to an IoT platform, it enables remote control over the internet. Features: 1. Supports infrared control 2. Supports wireless WiFi control 3. Supports firmware updates Parameters: Model: ESP_IR- Operating Voltage: DC 5V Operating Temperature: -25C to 85C Operating Humidity: 5% to 95% RH Color: Black Material: PCB and electronic components Firmware Update Instructions: 1. Connect IO0 to GND. 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 required parameters. 5. Click to download the firmware. 6. Disconnect IO0 from GND to complete the update. Note: When powering the device, ensure correct connection of 5V and GND. There is no reverse polarity protection; incorrect wiring may damage the chip. Package Contents: 1 x WiFi Wireless Module Only the items listed above are included; others are not. Note: Lighting effects and different display settings may cause slight color variations between the image and the actual item. Measurement tolerance is +/- 1-3 cm.