The red color 1206 LED is a vibrant color that you can't go wrong with. 3216 is another name that the SMD is commonly known as. This LED is used in many of today's popular electronics. We have seen them used as direct replacements in electronics to simply change the colors. They are also used for custom projects or in mass production products as well.We use and have only the highest quality leds out there. 1206 SMD Red - Ultra Bright LED Size: 1206 SMD, Color: Red, Luminosity: 120 mcd Forward Voltage: 1.8-2.2v, Current: 20mA, Wavelength: 625-630 nm Viewing Angle: 120 Degrees, MountStyle: SMD (Surface Mount Diode), Lens Color: Clear Super bright LEDs, used for mods, RC, adruino, cars, HO Scale models, planes, trucks, adafruit projects, halloween, christmas, PC, Ultra Light, etc... Manufacturer Lighthouse LEDs Item model number 1206SMDRED