... Aerosol Perfume Dispenser with 7.5/10/15/30 Minutes Spray and 300/320ml Capacity KP1158A 1.Power switch ... 15/30 minutesDAYspray every 7.5/10/15/30 minutes with light, stay idle when there is no ... lightNIGHTspray every 7.5/10/15/30 minutes without light, stay idle when there is lightINTERVALperfume spray ... interval selection(7.5,10,15, 30 minutes)7.5M when switch on,spray every 7.5 ...