Solar constant current: built-in 400mAh battery, when the fountain is working under direct sunlight, it can store solar energy at the same time, which enables us to ensure the continuous operation of the fountain even when it is is sometimes covered by the sun. Security Protection: We have now added new features Excellent Quality: Unlike other low quality epoxy resin solar panels, the high quality solar laminates we use will not crack, warp, delaminate or last longer. 6 different types of nozzle heads: 6 different types of nozzle heads are attached to the pump itself. It helps to change the water height in different water patterns. The water can rise up to about 30 to 50 cm. Multiple Applications: This environmentally friendly solar pump is very suitable for aquariums, fish tanks, small ponds, swimming pools, gardens and oxygen circulation. Your garden will undoubtedly attract the attention of passers-by. Solar water pumps make your garden so interesting. Function: -The solar panel