Comfortable light: Our products meet strict test criteria including flicker, strobe, glare and color rendition to ensure they meet EyeComfort requirements; Switch to Philips LED, light that’s designed for the comfort of your eyes. LED light bulbs last up to 10X longer than incandescent and halogen bulbs. Unlike fluorescent and compact fluorescent bulbs, Philips LEDs are mercury-free so they don't contribute to hazardous waste