Flow controllable : you can set traffic for 1-15 days or More depending on the time you need, , no troublesome setup. Upgraded equipment is more sealed, auto water plants will not be blocked by Mud and stop draining or will not flooded you flower box and killed everything. Easy to use : Dr. pepper, Pepsi, coca cola, Lipton, Deet Coke, other bottle that have 20.5-25mm inner diameter capsule, Without any tedious installation, all you need just drill some holes at bottom of bottle or cut it and then a regulating valve that can adjust the speed of the flow, so that the speed of the flow can be adjusted according to the length of the holiday. Multi-scene application : Whether your plants are indoor or outdoor or garden, at home or in the office, create a Self-Watering system, to ensure your plants always have enough moisture. Fits for use with potted plants, houseplants, patio plants, hanging baskets, desk pots, hanging plants and outdoor gardens. Economic And High Quality : This plant watering system is made of ABS plastic. A green and environmental product approved by the environmental protection department. High quality means that each water spike has a working life of more than a year, and our water spikes are more durable than other water spikes. Power Source Type: Natural Gas Quantity: 1piece Note:Manual measurement, there may be 1-2cm/1-3g error, which is not a quality problem. Due to different screen displays, there may be a color difference between the real object and the picture, and the main picture shall prevail.