Multi-Light Sequential Flasher - Models 03.W3010A / 03.W3010R - Controls up to eight light heads. Not for use with headlights. Three sequential modes: left to right, right to left and center out. Model 03.W3010A also includes an alternating mode. Model 03.W3010R also includes a random mode. 100% solid-state. Waterproof. Made in the U.S.A.