Fullsexy Vacation Plant Waterer, Self Plant Watering Stakes, Ceramic Self Watering Spikes, Automatic Flower and Drip Irrigation Watering Stakes System for Indoor&Outdoor Use, 4 Pack (A2) High Quality: Made of ceramic and ABS plastic, automatically watering plants in pot and containers, both indoor and outdoor use. Accurate & Effective: Just wet watering stakes for a couple of minutes to prepare the tips, then insert the probes into the soil of your potted plants and place the hose ends in a water reservoir nearby. It works automatically. The vacuum created as the water is drawn into the dry soil, then the vacuum can pulls more water in through the supply hose. Time-Saving: It is suitable for same lazy people and for those who are always in a business trip or vacation, saving your time and energy. Size: The diameter is about 0.78''/2cm and Cable Length: 28''/70cm. Height: 11cm / 4.33inch. Suitable for Outdoor and Indoor: Made of high quality ceramic material, good permeability and weather resistant, durable for long service time. And the extra long stakes for stable device.