[Suitable size] The upper size of the product is 3"*4" and the lower size is 2"*3", suitable for to rectangular downspouts. For the best experience, please determine the size of your downspout before purchasing. [Easy to install]. install] The rainwater collection system is made of durable materials and can be painted. Please read the instruction manual or website illustration carefully when installing. Multi-function: installing our rainwater harvesting system , large quantities of rainwater will be transferred via downspouts to collection barrels (not included) for reuse. 【Environment】 The rainwater collection system helps to protect your environment. reduce water bills and reduce water costs. save water. For example, watering flowers, watering vegetables, washing cars, cleaning floors, etc. Product Description Technical description Package dimensions: 33.1 x 12.3 x 12.1 cm; Batteries required: No Product model: 1