1: The flow rate can be controlled. The plant watering device with 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.