Controllable flow: You can set the flow for 1-15 days or more according to your needs, without troublesome settings. The upgraded equipment is more airtight, and the automatic water plant won't get clogged with mud and stop draining, nor will it flood your flower box and kill everything. Easy to use: Dr. Pepper, Pepsi, Coca-Cola, Diet Coke, Aqufina or other bottles have 1.1 inch inner diameter capsules, no need for any tedious installation, you just need to drill some holes in the bottom of the bottle or cut it, then one can adjust Flow rate regulating valve, so that the flow rate can be adjusted according to the length of the holiday. Multi-scene application: Whether your plants are indoors or outdoors or in the garden, at home or in the office, create an automatic watering system to ensure your plants always have enough moisture. Ideal for use with potted plants, houseplants, garden plants, hanging baskets, table pots, hanging plants and outdoor gardens. ECONOMIC AND HIGH QUALITY: This plant watering system is made of ABS plastic. Green products approved by the environmental protection department.