Bettli Automatic Plant Water Devices For Vacation Plant Watering and Office Device. Plant Self Watering System for Plant Growing - 4 Pack ENJOY YOUR VACATION :You dont need to worry when you go out for vacation or on business, trusting your plants will be cared for well by these four automatic plant waterer. This gardening irrigation system will regulate humidity of the soil, offering your plants the exact amount of water they need to thrive! ECONOMICAL AND EASY TO USE: 1.654 inch Diameter and 7inch High is suitable for any kinds of bottles. 2L water will late 2 weeks .Longer than any others,more easy to insert.The only thing you need to do is just fill a bottle and insert the Terracotta Plant Waterer into the soil. Transforming manual watering planter into automatic watering planter. This self-waterer is made of pottery. Please deal with it carefully!! ECO-FRIENDLY AND SCIENTIFIC: The made of Terracotta,More stiff and friendly to the plant. Recycling used wine bottles that can be used to water your plants for you,and the watering way is according to the humidity of the soil,never watering to much or too low. WIDE APPLICATION: Versatilely use both indoor and outdoor plants,suit for any size of planters. Bettli automatic plant waterers will add green luxury to home, deck or porch decoration! BEST GIFT FOR PLANT LOVER: Pack of 4 self-watering stakes. Give this fast-acting plant irrigation system in the stylish packaging box to your friends, family, co-workers and all gardening enthusiasts. Amazingly efficient for experienced and absolute beginner gardeners.