Product name: automatic flower watering device with control valve. Conventional packaging: single OPP bag packaging (any quantity can be packed according to customer requirements) Product function: no leakage d water, adjustable water volume. Factory direct sales Customers can customize according to samples Color can be customized Creative ideas customization Product instructions: flow can be controlled, the plant watering device with control valve can control the drip speed from 0-60s/1 drip, the slow release drip lasts for 1-15 days. Simple and convenient, without any cumbersome installation, just drill a small hole or several small holes at the bottom of the bottle to drain. andnbsp;Precise water amount, provide different amount of water for different plants and flowers, don't be a plant killer other waterers use too much or too little water. In some plants, older leaves turn yellow and fall off. But if the new growth is yellow, it could be a sign of overwatering or er watering. Fits bottles: Dr.pepper, Pepsi, Coca-Cola, Lipton, Deet-Cola, Aqufina or other bottles with an inside diameter of 1.1 inches. Enjoy your family vacation and leave your plants to me. Plant Your Own Watering Nails for Your Vegetables, Outdoor Indoor Gardens, Everyday Water Plants, Potted Plants, Indoor Plants, Herbs, Garden Plants, Hanging Baskets, Tabletop Pots, Hanging Plants, Small Trees , shrubs Quantity delivered: 10/20/30 pieces