... CE Automatic Aerosol Perfume Dispenser with 7.5/10/15/30 Minutes Spray and 300/320ml Capacity KP1158A 1.Power switch display ... when there is no lightNIGHTspray every 7.5/10/15/30 minutes without light, stay idle when there is lightINTERVALperfume spray interval ... minutes30M when switch on,spray every 30 minutesMain featureMain feature:*HS code:8543709990*Fashion design for hotel, home and office, etc* ...