Automatic irrigation: automatic watering system, water directly to the plant roots, the U-shaped switch design can control the water flow without leakage, self-watering system eliminates the worry about forgetting watering or leaving plants unattended. Easy to use: suitable for most bottles with a 1.1 inch (2.79 cm) inner diameter. E.g. Pepsi, Coca Cola, Diet Cola, Dr. Pepper. No need to find another bottle to store water. No tedious installation. Drill some holes at the bottom of the bottle or cut it. Adjustable plant irrigation: Our automatic watering system has a drip irrigation valve. The water flow is controlled by the switch, and the flow rate can be controlled manually to maintain the required amount of water for the system. Material: The new PP material is a thermoplastic resin with excellent properties. It is a colourless, translucent, thermoplastic, light, safe and harmless plastic. Multi-scene use: watering system can be used for potting soil, flowers, hanging baskets, herbs, vegetables and many other plants indoors and outdoors, for watering, gardens and offices. Automatic watering device is a must if you are going on holiday.