Specification: Item Type: Automatic Fragrance Spraying Machine Material: Plastic Gross Weight: Approx. 416g/14.7oz Colour: Black Installation Method: Wall Mounted Battery Parameters: Use 4 x AA Batteries (Not Included) Package List: 1 x Gas Spraying Machine 1 x Key Lock 1 x Screw 1 x Screw Tube 1 x Manual Features Automatic Spraying: This air freshener dispenser can automatically spray fragrance into the room by timer, providing you with convenient use experience. Battery Powered: The automatic air freshener spray is powered by 4 AA batteries (not included) for long life to provide a continuous and long lasting fragrance in your room. When the battery power is lower than 2.3V, the air freshener will stop working. Easy to Install: This automatic air freshener dispenser supports wall or floor mounting options, which can be installed at the height you like using the included screws. Easy to Use: Open the box and fill in the liquid you want to spray, select the spray mode, attach the lid and the machine starts working. Widely Applicable: This automatic air freshener is widely used for your home, living room, bathroom, bedroom, wardrobe, hall, kitchen, etc. It is also a good choice to place one in the gym, toilet, pet room, warehouse, offices, schools, restaurants, hotels and other public places.