1. The flow rate can be controlled. The plant watering device with a control valve can control the dripping speed of 0-60s / 1 drip, and the sustained release drip lasts for 1-15 days.
2. Simple and convenient, no need for any cumbersome installation, just drill some holes in the bottom of the bottle or cut the tail of the bottle.
3. Accurate water volume, providing different amounts of water for different plants and flowers.