【Watering System For Potted Plants】The plant self watering devices features a control valve, allowing you to set the drip rate between 0-60s/drop for customized plant hydration. This ensures consistent and optimal moisture for your plants, whether using self watering spikes for indoor plants or outdoor gardens. 【Effortless Installation and Use】The automatic plant waterer is compatible with most beverage bottles (500ml-2000ml) and requires no complicated setup. Simply align and insert the self watering planter insert into the soil, making this easy plant watering system ideal for home, office, or patio use. 【Durable and Eco-Friendly Design】Constructed from high-quality plastic, these drip irrigation stakes are built for repeated use and resist both heat and cold. By recycling plastic bottles as part of your plant watering system, you help reduce waste while caring for your garden, deck, or indoor plants. 【Extended Water Supply for Travel Care】These automatic watering devices for vacation can sustain water release for 3-20 days, depending on bottle size. The slow release self watering spikes for pots offer reliable plant watering spikes for travel care, ensuring your plants remain healthy during trips or busy schedules.