8 pieces of indoor plant water dispenser, self watering device for your indoor plant. Made of ceramic and plastic, convenient, practical and easy to use. The higher the water level in the water tank, the faster the water flows out. Must adjust to correct level, please follow instructions before using. Close cap with water full in batteries, creating vacuum in batteries. Then insert the probes into the soil of your potted plants and place the ends of the hoses into a nearby water tank. Can the plant be watered depending on the soil moisture. As the soil dries, the ceramic cone gradually releases water into the surrounding soil. Ideal for indoor plants, potted plants, garden plants, hanging baskets and outdoor gardens, when you're away for weeks or don't have time to take care of your plants.