No need to tap, no water leakage The design uses a 3.7V rechargeable lithium battery, which is safe and energy-efficient. It can operate for at least two months on a single charge. Low voltage detection with flashing display to indicate charging Water shortage protection ensures the pump is not damaged Simple installation process. You only need a pair of scissors to cut the water pipe to the desired length. Ideal for keeping your flowers and plants hydrated Battery: 3.7V rechargeable lithium battery Applicable scenarios: balcony, desktop, living room Color: White Material: Plastic Type: 2 Head Package Contents: 1 x Automatic Watering Pump Note: Other products are not included. Light and different displays may cause slight color variations compared to the actual item. Measurement error allowed is +/- 1-3 cm.