Communication Interface: Current <0.5VA. Transmitter Output: Settable 4-20mA or 0-20mA, accuracy ±0.5%FS, load capacity <900R, common source output. Harmonic Accuracy: ±0.05%FS. Color: As show. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.