SwimWays Singing Gondolier Serenade your poolside guests with the SwimWays Singing Gondolier pool decoration! Sings three lovely Italian songs: La donna  mobile, Finiculi Finicula, and  sole mio Two operation modes create the perfect ambiance for your special gathering: Songs and light-up feature with movement, or songs and lights only Comes with 3 AA batteries for a Try Me mode. Requires 4 AA batteries for full function Be sure to securely tighten screws on the battery box to prevent water from entering Instructions on the bottom of the package which explain how to insert the 4th battery into the batter compartment