The 4502-012 is a control board, non-UL, for use with pre-2016 models only, designed for the 6050/6100/6300 models, and a replacement for part number 4502-010, manufactured by DOORKING. This control board ensures efficient and reliable operation for gate operators. Its high-quality construction ensures durability and long service life. Ideal for gate control systems, this control board is a dependable choice.