Suitable Aerosol Bottle Capacity: 300ml; Suitable Aerosol Bottle Size: 5.51 x 2.56 inch. Easy installation, unique wall mounted design, can be easily hang and placed on the desk, you can installs in minutes without tools. The interval time can be set as 7.5 / 15 / 22.5 minutes as your need; With a light sensor, the air freshener machine can identify daytime and night, 3 modes adjustable: 24 hours working/ day/ off. Used for spraying fragrance automatically, no need manually, more convenient and labor saving. The air freshener dispenser is made of high quality plastic material, sturdy and ; Automatically fragrance into room to purify air and remove smelly odor. Widely used for your home, living room, bathroom, bedroom, hallways, kitchens, offices, schools, restaurants, hotels, public toilet, etc.