78141LED Directional Warning Lights Surface Mount, 6-Diode, Class I, White 78141,Horizontal surface mount,Polycarbonate construction coupled with a dependable gasket design ensures superb moisture and vibration resistance,Robust design, die cast aluminum base,S-Link™ System* synchronizing capabilities with up to six other units Allows for synchronization with other S-Link compatible products,Self-contained high intensity, wide angle LED module,Ultra low profile; Single and split color models,Versatile LED directional warning light can be synchronized with up to 8 interconnected modules and 25 different built-in flash patterns,