40 Inch LED Light Bar with Lifetime Warranty. Lifetime LED's 40 inch LED light bar has 40 LED in a single row Light Bar. This 40 inch LED has a combo beam pattern and will give you over 30,000 hours of average life. This light bar is waterproof rated to IP 67. Lifetime LED Lights is dedicated to your LED lighting needs. A good LED light bar like Lifetime LED's 40 inch LED can not only give you a safer driving experience but add a great look to your ride. The Cree LEDS in your new light bar have been leading the way in the LED lighting arena because of the quality of the Cree product. You can buy with confidence knowing you're new light bar has a Lifetime warranty.