Design: 360° rotation, water all green plants; with 1/4" barb thread connection, can easily connect the polyethylene tube and the dropper, suitable for 4mm/7mm (inner/outer diameter) tubes.Material: Made of high quality material. Light weight, acid and alkali resistance, corrosion resistance, low temperature resistance, no peculiar smell. The bottom of the dropper is sharp and easy to insert into the soil. Durable and long service life in the soil.【DIY】: It can be used with the Drop system and installed freely. The spray area is large, saving water, which is good for the environment. Use: flowers, lawn, landscaping, lawn greening, agricultural planting, etc.Package Contents: 20 sprinklers with dual function of dripping and spraying, which can be individually turned off. Adjustable water outlet, you can turn it on or off according to your needs.Specifications:Spray radius: 0-90 cm.Material: High quality plastic.Length: about 21 cm.Suitable for 4 mm / 7 mm tube (inner / outer