The HL-A-3528U51GC-S1-13HL is a Light Emitting Diode (LED) SMD manufactured by HONGLITRONIC. It is 3.5mm x 2.8mm x 1.4mm in size and is RoHS compliant. The LED has a very low power consumption of 51mW and a forward voltage of 3.2 - 3.6V. It comes in a variety of colors such as red, green, orange, yellow, and white. It has a wide viewing angle of 140 degrees and can produce bright, clear, and even illumination. It is designed to be resistant to shock and vibration and has a long lifespan of up to 50,000 hours. This LED is suitable for use in a variety of applications including automotive, indoor and outdoor signage, lighting, and general illumination.