Rechargeable Battery Built-in – Built-in 2200mAh lithium battery eliminates the need for replacing batteries or searching for power outlets. This fully autonomous system can be freely moved around your yard or home. Once fully charged using the included USB to Mini USB cable, it operates for up to 2 months. After that, simply recharge for 5 hours to restore full functionality. Easy to Set Up – This watering system is simple to configure. Set the watering duration from 1 to 90 seconds or 2 to 3 minutes, then choose the watering interval from 12 hours or 1 to 10 days. Ideal for maintaining plants while traveling or managing daily watering tasks. The automatic watering device delivers consistent moisture, promoting healthier and longer-lasting plant growth while simplifying your routine. Efficient Water-Saving Design – The automatic plant watering system precisely controls water delivery by combining timing and pump operation. It distributes water from a bucket or tank to up to 4, 8, or 12 potted plants. Saves up to 70% water compared to traditional spray methods and irrigation drippers, offering efficient performance that conserves water and reduces maintenance time.