3Pcs Adjustable Drip Irrigation System Automatic Self Watering Spikes for Plants Indoor Outdoor Potted Plants Irrigation System

FEATURES:
Easy and convenient self-watering spike drip water to the soil to irrigate.
The spike design is not easy to fall down after being inserted into the soil
Stepless speed regulation adjusts the dripping speed by screwing the regulator.
It is suitable for water bottles with neck of 28-30 mm in diameter, like water/soda/pop/juice/ bottles.
For automatic watering indoor or outdoor, home or office, potted or garden plants while away on vacation, holiday, business trip.

PRODUCT SPECIFICATIONS:
Material: Ceramic
Color: as shown
Product Dimensions: 17.5*5 cm
Water Bottle Opening: 28-30 mm
Quantity: 4 pcs/set