Light sensor water level detection: Automatically stops working at night. When there is no water, the pump will automatically stop working to protect the motor, and automatically start after adding water, without manual restart. Simple operation prevents the pump from idling, which shortens the service life of the pump. Solar Powered and Built-in 1500 mAH Battery: Directly powered by sunlight energy, no external electricity required. The built-in 1200mAh rechargeable battery can work for 4-6 hours after being fully charged, and can spray water when charging during the day. Improve the old version of the solar floating fountain that can only spray water when the sunlight is strong. 6 Different Nozzles: This solar pump is equipped with 6 different nozzles for different water types, and the maximum height of the spray is 60 cm (23.6 inches). It can not only attract birds to drink water in your pool, but also add fun to your children when they play in the pool. Wide Application: The fountain is very suitable for bird baths, fish tanks, small ponds, garden decorations, water circulation oxygen supply, etc. Easy to install and use, as long as there is sunlight and water, the pump will start working in 3 seconds. Place the sun panel in the right place and make sure the sunlight is not blocked by other objects. It can increase the pH value of the water and keep the water circulating and oxygenated.