1.Newest Version: This self watering spikes is the newest upgrade.Fit for almost all bottles. No need to drill the hole on the bottle.
Controllable: The Plant Waterer with adjustable switch,it can be adjusted to provide appropriate water according to different plant needs.
2.Reuse: These self watering spikes are made of environmental ABS plastic,It can be repeated and applied to save you time.
3.Enjoy Your Holiday: Leave your plants to it, self water your plants and vegetables, and make your plants thrive.
4.Usage: They are easy to use,you just drill some holes at bottom of bottle or cut it and then a regulating valve that can adjust the speed of the flow, give didfferent amount of water for different plant and flowers