The LL-503YC2E-4CE is a four-pole, illuminated control switch from the Lucky Light brand. It features ten illuminated indicator colors, including red, green, blue, and yellow, and features a panel-mount design with a 4° C-Ring mounting hole for easy installation. Its maximum current rating is 5A and can be operated between 32°F to 131°F, making it suitable for a wide range of applications including engineering control systems and HVAC equipment. Additionally, it features an IP65 water-resistance rating and has been designed to meet CE, TUV, UL, and RoHS standards for electrical safety.