Automatic irrigation: It works automatically to deliver water directly to plant roots, automatic drip irrigation system eliminates the worry of forgetting or unattended irrigation. You don't have to water it every day. Automatic sprinklers: The automatic sprinklers are equipped with a universal inclined cover which solves the problem of water leaks. Fits most beverage bottles. The design of the bracket is windproof and rainproof, even if it is a large bottle, it will not fall. Adjustable water flow: the valve can adjust the rate drip over 0-60s/1 drip. Slow drip lasts 1-15 days. Depending on your vacation, you can manually adjust the flow to maintain irrigation. A great irrigation solution for your short vacation, you don't have to worry about the problem of watering your indoor plants and enjoy the good travel time. Easy to use : Suitable for most bottles with lids with internal diameter between 20.65mm and 22.5mm, for example: Pepsi, Coca-Cola, Deet-Cola, etc. Easy to install, just