Color:Three ColorsFeatures:- UpgradeOur Improved Self-Watering Spike Is Easier To Use, Fits Most Bottles. No Need To Drill Holes In The Bottom Of The Bottle Anymore.- Controllable Water FlowThe Dripper'S Convenient Adjustable Valve Design Can Control The Dripping Speed Of The Dripper. 'Water. Easy Installation And Insert The Sprinkler Into The Ground, Keep Your Plants Vigorous.How To Use:1. Screw The Bracket Onto The Plant Watering Device, The Bracket Supports The Bottles.2. Screw The Control Valve Onto The Self-Watering Spikes. You Can Adjust The Water Flow By Screwing The Valve To The Right Or Left.3. Fill The Water Into The Appropriate Bottle And Insert The Automatic Watering Devices Into The Bottle.4. Turn The Bottle Upside Down To Insert The Sprinklers Into The Ground, Adjust The Water Drops To Meet Individual Plant Needs.Note: Please Keep The Spikes Upright.Features:Material: Polypropylene.Dimensions: 14.5 X 5.8 Cm.Suggested Bottle Size: 2 3 Cm.Maximum Water Capacity: 2000 Ml.Suitable compatible: Potted Plants, Flowers, Vegetables, Etc.Contents:24 Automatic Plant Watering Devices (8 Green , 8 Orange, 8 Blue).24 Adjustable Slow Release Valves.24 Bottle Holders.