... ,Night,24Hrs 3)2AA battery 4)300ml air freshener automatic aerosol fragrance dispenser,Automatic Aerosol dispenser/Air freshener dispenser/Aroma spray machine 1)CE Certificate ... ,22.5 minutes,1 hour,2 hours,3 hours . The air freshener refill can spray 3,000 times.1) The dispenser can ... .5 minutes,1 hour,2 hours,3 hours .2) The air freshener refill can spray 3,000 times3) Apply standard steel can ...