Febreze Alternating Scented Oil Warmer, 1 Each, $4.19
Fade defy. 1st day fresh for 50 days (on low). With low-level indicator light. Low level indicator. 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. Febreze Plug has two alternating scent chambers for noticeably long lasting freshness.