HuiYuan 5019R1G6C-DHB LED is designed as a wired, Red-Green circular light emitting diode featuring a 5 mm diameter with a luminous intensity of 175 mcd and a viewing angle of 35 degrees. This semiconductor lighting component operates at a current of 20 mA, making it suitable for low-power applications. Engineers frequently utilise this single wavelength LED in electronic signage, industrial indicators, and small-scale electronic devices where concise light emission and efficient energy utilisation are critical. Its robust design and dual colour capability provide versatile options for signalling and display functions in a variety of technical environments.