Material: Made of high quality plastic material, non-toxic and safe to use for a long time
Multi-purpose: You can also put fertilizer into a bottle, then use the water spike to deliver the ultimate nourishing fluid
Flow control: The water spike with control valve can control the drip rate within 0-60 second/1 drop. And the drip release lasting time depends on your setting
Size: Length 13.5cm(5.3in), diameter 3cm(1.2in)
Application: Suitable for people who are busy for vacation or business trip and have no time to take care of plants