• Adjustable irrigation flow: Control the flow rate with the slow-release control valve, adjustable from 0s/1 drip to 90s/1 drip. Slow-release drips can last from 1 to 15 days. • Easy to use: No need for complicated installations. Simply drill some holes in the bottom of a bottle or cut it, adjust the irrigation devices, and then insert them into the soil. • Bottle compatibility: The irrigation spikes fit almost all types of bottles, making them easy to use. • Sturdy support: Each irrigation stake comes with a support that keeps the spikes in place even in strong wind conditions. • Ideal for vacations: Enjoy your free time while these automatic irrigation spikes take care of your plants, saving time and energy. • Durable material: Made of sturdy ABS material, these irrigation spikes are designed to last. • Eco-friendly: Allows recycling of plastic bottles, contributing to environmental care. • Measurements: Width, height, and length not specified. Weight not specified.