Application:data collection of electric energy meter, gas meter and water meter Industrial-grade meter reading device, near-infrared, wavelength 940nm. General standard:transparent transmission, support IEC62056-21, IEC1107, DLMS, MODBUS and other communication protocols - rate: The communication rate supports 300-19200bpse The transmission rate is:300/600/1200/2400/4800/9600/19200bps. Dimensions:Diameter:32mm Transmitting and receiving distance:6.5mm Type:RS485 Near Infrared Cable Name:RS485 to near infrared IR converter Power supply voltage:DC5V-24V Installation:25mm * 15mm * 5mm galvanized magnet, magnetic adsorption Environment:Specified working range -25-70 Installation: Wiring :red (power supply positive 5-24v), black (GND), Green (RS485A), white (RS485B) Wiring identification:reserved red wire and black wire, suitable for DC5V-24V wide voltage Colour:As Shown Material:plastic+metal Size:About 1.5 meters long Package Contents: 1 * RS485 Near Infrared Cable 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.