P-Wave Easy Fresh Fan

inc Battery and Sensor, RecyclableLooking for an air freshener containing twice as much fragrance as most other air fresheners which is released over 30 days? Easy to use, simply replace the old cover with a fresh one - it's easy! No aerosol, just a fragrant cover which lasts 30 days. No keys or tools required. Magic eye setting turns fan off when the lights go off allowing battery to last up to 4 months. Intelligent fan is programmed to increase the amount of time it works in order to give a consistent amount of fragrance over 30 days. LED reminder when the cover needs changing. ..