This encapsulated 2 channel flasher is designed to wig-wag flash your DC signals. This alternating flashing pattern is commonly used for School Zone warning beacons, pedestrian crossings, fire stations and school buses. It installs easily and operates on 10 to 24VDC systems and flashes lamp loads of up to 4A continuously. The flasher is entirely solid state and sealed from the environment. This version flashes at the MUTCD specified rate of 56-60fpm and can operate both incandescent and LED lights. This is another Lights To Go exclusive product, Made in America.