Description: 1)No need to tap, no water leakage. 2)The design uses a 3.7V rechargeable lithium battery, which is safe and low in labor consumption. It can be used for at least two months on a single charge. 3)Low voltage detection, display flashes to indicate charging. 4)Water shortage protection, the pump will not be damaged. 5)The installation is simple and in one step. You only need a pair of scissors to cut out the proper length of water pipe. You do nt have to worry about the flowers and plants at home. Specifications: Size: 9 * 4.3 * 3cm Battery: 3.5v rechargeable lithium battery Material: ABS Applicable scenarios: balcony, desktop, living room Package Included: H2 Controller * 1, sprinkler * 2, tee * 1, hook * 1, water pipe * 3 Notes: This model is not waterproof, suitable for indoor use