Easy to Use Without any tedious installation, all you need to do is drill a hole in the bottom of the bottle and tighten the drip irrigation devices, then insert it into the soil, no nail needed and no danger. Adjustable Valve The plant watering device with control valve switch can control the drip to meet your needs. Provide different amounts of water for different plants and flowers. CompatibilityDrip Irrigation Kit fits all normal size bottles in daily life, 1.1 inches. Most bottles make the self-watering system work. Convenient for VacationIdeal for short-term business trips or short-term vacations. When you are away for a few days, the adjustable irrigation system can water all your plants, no need to ask the neighbors to come and water every day, you can go on vacation with peace of mind. Multi-scene applicationDrip system can be used to water soil, flowers, nging baskets, herbs, vegetables and many other plants indoors and outdoors. It is used for watering, gardening and office irrigation. Features: 1. Adjustable Valve Irrigation The adjustable valve allows you to adjust the water flow at any time, and the slow-release drips flow into the automatic filling station for 1 to 15 days or more, depending on the desired duration. 2. Easy to use Plant irrigation system quick installation, no need to rotate, just drop in, water, deliver water directly to the roots of plants, suitable for most plants, easy flow means your plants get the right amount of water. 3. Multi-scenario Application Drip Irrigation apply to your vegetables, indoor and outdoor gardens, nging plants, small trees, shrubs, daily water plants, potted plants, houseplants, herbs, garden plants, nging baskets, sinks. How to use: 1) Fill a bottle with water. 2) Install the waterer on the full bottle. 3) Insert the regulating valve into the plant waterer. 4) Make batch holes at the bottom of the bottles or cut it. 5) Place the plant waterer into the soil around your plant. How to adjust the water flow speed: Adjust the left and right side switch to adjust the speed of the water drop. Specifications: Material: Plastic Color: Green, Orange Quantity: 6 Green, 6 Orange Scene: Indoor, Outdoor Package Includes: 12 * Automatic Plant Waterers 12 * Valve Switch