Adjustable Watering System: Our automatic watering system has a built-in watering system. With a drip-free valve that can be controlled with a switch that controls the water flow. You don't have to water every day. Environmentally friendly and durable: Plant watering components are very durable, long-lasting. resistant to heat and cold, safe and non-toxic. In addition, plastic bottles can be efficiently recycled to avoid waste and protect the environment. Easy à Use: Drill a few holes or cut off the bottom of the bottle before mounting it on the device. Suitable for: Fits most international standard bottles. We recommend using cola, juice, mineral water, mineral water or other bottles with an inner diameter of less than 2.8 cm. Mineral water bottles are not recommended and cannot be installed on the device. Versatility: Watering systems plants can be effectively adjusted to each other as well as from each other. indoors as outdoors. Outdoors, this automatic watering system is ideal