Application: Data collection for electric energy meters, gas meters, and water meters. Industrial-grade meter reading device with near-infrared communication, wavelength 940nm. Supports transparent transmission and complies with standard protocols including IEC62056-21, IEC1107, DLMS, and MODBUS. Communication baud rate: 300 to 19200 bps, with selectable transmission rates of 300, 600, 1200, 2400, 4800, 9600, and 19200 bps. Dimensions: Diameter 32mm. Transmitting and receiving distance: 6.5mm. Interface type: RS485. Cable type: RS485 to near-infrared IR converter. Power supply voltage: DC 5V to 24V. Installation: 25mm x 15mm x 5mm galvanized magnet with magnetic adsorption. Operating temperature range: -25°C to 70°C. Wiring: Red wire (power supply positive, 5-24V), black wire (GND), green wire (RS485A), white wire (RS485B). Reserved red and black wires support DC 5V-24V wide voltage input. Color: As shown. Material: Plastic and metal. Cable length: Approximately 1.5 meters. Package contents: 1 x RS485 Near Infrared Cable. Note: Other items not included. Due to light reflection and display differences, the actual color may vary slightly from the image. Measurement error allowance: +/- 1-3 cm.