Federal Signal Pulsator LED beacon features an innovative Federal Signal designed LED emitter that produces a superior warning signal to promote work zone safety. With its SAE Class 1 approval, the Pulsator LED is ideal for a variety of applications including DOT, municipal, utility, construction, landscape, snow plows and pick-up trucks. The Pulsator LED also offers (14) selectable flash patterns that can be selected by the user through Federal Signal's patented Power Select feature. The Power Select allows users to scroll through flash patterns by simply following a sequence of applying power to the unit 3 times in a row which will put the beacon into programming mode. The Pulsator LED has a built-in permanent mount polycarbonate base. The Pulsator LED has an operating voltage of 12/24 with an amp draw of 0.40A/0.17A average at 25.6V.