1.Innovative valve design: our drip spike has a slow release control valve switch..It has two water dripping paths, prevent blockages and ensure a smooth..The drip speed is adjustable, so you can control the water frequency from 1S/1 drops to 90s/1 drops.With this flexibility, you can adjust the watering plan according to the duration of your holiday, which is between 1 and 15 days. 2.Relax and enjoy: with our selfwatering system for plants, you can really relax and enjoy your time with family and friends..This set is suitable for a variety of plants, including patios, desk pots, hanging plants, small trees, shrubs and much more..Take a break from daily plant care and let our plant water take care of them for you. 3.Unique bottle design: each bottle in our set is carefully designed with an inclined angle, which provides better stability when inserted into the ground. The surface of the bottle is patterned to increase friction, facilitate processing and prevent slipping during installation. With a large capacity of 500 ml, the plant watering devices ensure longterm watering. 4.Easy to use: our drip irrigation system eliminates the need for complex installations..Just fill the bottle with water, connect the tip and turn it upside down quickly. The coneshaped spike can be easily inserted into the ground and does not hurt the plant root..The drip outlet features a double channel outlet design that drips flowing..No blockage for easy watering.