Built-in 900 Capacity Battery The 7V/3.5W solar fountain pump with 900 capacity backup battery can light up at night for 6-8 hours. Just put it in the water. once exposed to enough sunlight. it will automatically work within three seconds. the jet height can reach 35cm/13.7inch on sunny days. and about 15cm/5.9inch on cloudy days. Ensure that the solar fountains is exposed to sufficient and direct sunlight to work and store energy. Without energy. the fountain will not light up at night 7 Spray Nozzle With Different Water Style The solar bird bath fountain pump with 7 different nozzle which have 7 different kinds water style.so you could choose the style of water fountain you like.add more fun to your garden and make your garden more vibrant.No electricity or battery needed. What an Eco- Friendly and stable product! The most important is this will attract a lot of hummingbirds to your garden! Solar Fountain with 21 Colorful LED Lights Equipped with 21 bright colorful LED lights.automatically light up at night.color auto-cycle make your garden night more beautiful and vibrant.It keeps visiting aviary entertained at day magically changes your bird bath to visual art at night.Our solar birdbath fountain with 100% full solar panel to reach 3.5W power.could transform stronger power to make led lights stable and lasting at night.Note: light up at night without spraying water. Prevent Bird Baths From Drying Up The upgraded new design of 4 DIY FIXED STICKS perfect solved the hummingbird solar fountain squirt the water out of the bird baths.It keeps spraying in the center of the birdbath.will not move around to the edge and spray out of birdbath.so you do not have to keep an eye on bird bath all the time and often add water to the birdbaths to prevent the water run dry. Water Shortage Protection And Anti-CloggingThe solar water fountain with light has the new function of sensing water.When there is no water or water shortage.the fountain will stop working to prevent the pump from running dry and caused by burning.Anti-clogging function can better block dirt. dust. leaves and other impurities. effectively extending the fountain pump's Use Life.In addition.we gift 3 extra sponge filter.Sponge filter could reduce the frequency of cleaning solar fountains.