Feature: 1.Adjustable flow speed design: The flow rate can be controlled. The garden gadgets plant waterer device with control valve can control the dripping speed of 0-60s / 1 drip. 2.Easy to use: No tools are required for this automatic plant watering system installation. Oblique mouth design, suitable for most beverage bottles, just need to drill or cut the bottom of the bottle. 3.Keep your plant properly watered: Different types of plants require different amounts of water. This automatic plant watering system with adjustable valve allows you to easily calculate how much water to drip for your plants. 4.Wide application: For your vegetables, indoor and outdoor gardens, water plants daily, potted plants, home plants, herbs, garden plants, hanging baskets, desk pots, hanging plants, small trees, shrubs. Specification: Item Type: Auto Drip Irrigation Watering Spikes Material: Plastic Quantity: 10 Pcs Color: Green + Blue Size: 8*3.5*25.5cm Package Included: 10pcs x Auto Drip Irrigation Watering Spikes