1st day fresh for 50 days (on low). Scratch and sniff. Scent parfum. 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 P&G air fresheners SY-982 and 3260 and 3262. Formulated with: No dyes. No phthalates. No formaldehyde. Low level indicator. Blue light flashes when it. Terracycle: Recycle at Terracycle.com.