CP2102 USB 2.0 to OPTICAL INTERFACE IRDA Near Infrared IR Magnetic Adapter Transparent Transmission Communication Cable for Electricity Gas Water Meter Reading Data. Application: Data of electric energy meters, gas meters, water meters New CP2102 chip, USB interface power supply, no need for external power supply. Support multiple versions of Windows , for MacOS, Linux, Android and other . Industrial-grade meter reader, Near infrared, wavelength 940nm. Infrared head size: diameter 32mm,transmitting and receiving distance: 6.5mm (size is for reference only, tolerance 2mm) IEC standard industrial grade, the converter adopts CP2102 chip, 15KV ESD transceiver circuit, Taiwan industrial-grade optical receiver/transmitter. Transparent transmission, supported full protocol signal conversion, such as IEC62056 (IEC62056-21, IEC62056-46, IEC62056-47), IEC61107, DLT 645, DLMS, MDBUS, Self-defining Communication Protocol, etc. The transmission rate is: 300/600/1200/2400/4800/9600/19200bps. Installation: 25mm x 15mm x 5mm galvanized magnet, strong magnetic adsorption (IEC62056 regulation), it is easy to fix on the optical interface device. Environment: specified working range -25-70 size: About 1.5 meters long Material: Plastic+metal colour: Black+white Package Contents: 1 x USB to 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.