BL55 Interior Mount Linear LED Warning Light. Twin Linear LED with Prism technology. Great off axis viewing. Suction cup mount can be put almost any where. Multiple flash patterns. Available in combination colors of both LED in the same colors. One watt LED on each side. Great for back windows, rear side windows in SUVs, or even dash mounted. Available in red, blue, amber, white, or green. 30 Day Satisfaction Guarantee. One year Warranty.