1st day fresh for 50 days (on low). With Gain scent. 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 P&G Air Fresheners SY-982, 3260 and 3262. See device insert for additional safety information.