18PCS Self Watering Spikes Automatic Plant Watering Devices with Control Valve SwitchBlue

Feature: 1. Each with adjustable valve which allows you to control the amount and speed of drip irrigation for different plant and flowers. 2. Easily adjust the valve to meet your plants need with no tools required for installation, easy to operate 3. Made of durable ABS, thick and toughness, and you can use these plant watering spikes for your indoor and outdoor plants. 4. Self watering spikes save you time on watering duty and take care of the plants in garden, at home or office when you are out of town for short trips. 5. The plant watering spikes are suitable for potted plants, houseplants, flower, vegetables, terrace plants, hanging baskets, deck pots, hanging plants, etc. Specification: Item Type: Self Watering Spikes Material: ABS Color: As shown in the picture Product Length: Approx.13.3cm 5.2in Upper Interface Inner Diameter: Approx.2.7cm 1.1in Weight: Approx. 157 158g 5.5 5.6oz Uses: Moisturizing, watering, cooling Application: City greening, greenhouses, gardens, flowers, vegetable greenhouses, etc. . Package List: 18 x Watering Device18 x Pressing Pin with Relief Valve Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.