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The KW3-561AGB is part of the Lucky Light family of signal control instruments, which is designed to offer a reliable and efficient way to control signal lights and related equipment. This particular model is a “standardized” signal control instrument with 12 number of input channels, 5 output channels and AC supply voltage of 220V 50Hz. It features NAND logic circuitry, adjustable three-stage lighting elements, power display, programming and monitoring functions, and surge and lightning protection. This product is ideal for controlling traffic signals, warning signs, crossing gates and other related applications.