BR-PXQ681:Remote-control Automatic Perfume Dispenser controlled by CPU and infrared-ray coding technology,could be set by remote control each spraying times,5minutes-4 hours adjustable spraying interval time and day/night 24hours base on scale of occasion and turbidn-ess of air,shows suitability using at any occasions.Unique function of individually and clustering control from one remote controller to multi dispenser,standing out advantage of convenient management in large scale