2x odor eliminating ingredients (vs base Febreze). Kitchen odor eliminator. With low-level indicator light. Scratch and sniff. Formulated with: No dyes; no phthalates; no formaldehyde. Low Level Indicator: Blue light flashes when it might be time to refill. Febreze Warmer Has a Blue Light That: Flashes twice when first plugged in to show it's working. Flashes continuously when it may be time for a new refill. For use with Febreze plug scented oil refill included in package.