2.Built-in rechargeable battery 3.7V, power 4W, capacity 2000MAH, standby 1-2 years. The charging time is 3-5 hours. The full-charge usage time depends on the frequency and number of watering. If it is used once a day for 15- each time, it can be used for 2-3 months. 4.Efficient Multi-Pot Management: Supports simultaneous irrigation for 15 pots in one go. Compatible with multiple installation methods, making this garden drip irrigation system versatile for balconies, gardens, and indoors. 3.User-Friendly Interface: The LCD screen and knob control panel provide an intuitive way to monitor program status and set parameters, allowing even seniors to easily manage the potted plants self watering system. Features: 1.Long-lasting Smart Care: Enjoy worry-free plant maintenance for up to 30 days with our smart automatic watering system. Set precise daily irrigation schedules, eliminating concerns during travel or business trips. 5.Durability and Safety: Equipped with a dust cover for the charging port to prevent moisture and damage. Easy installation without drilling, simplifying plant care. An ideal solution with user-friendly plant watering devices., Weight: 1.70086635133 pounds, Manufacturer: Deechate