ELUC20 Hideaway LED... Brightest we've seen! LED ‘hide away’ insert elevates safety lighting with optional chrome surface mount bezel (purchased separately) Retrofits with existing 1inch strobe tube cutouts in headlight, taillight or corner lights in all types of commercial vehicles. Optional cruise mode reduces light output to 20% brightness. Use with optional bezels to surface mount to any flat area on the vehicle body for additional lighting anywhere. Fast simple installation with no "High Voltage" and low current consumption. Order in solid or split alternating colors at no extra cost.