Q. Does the remote come with a battery? 
A. Yes, the remote will come with a 3-volt CR2025 button battery already installed.

Q. What is the range of the remote?
A. The remote has an effective range of 5m. The remote needs to be pointed at the solar light to work effectively. 

Q. Does the remote work on both sizes?
A. Yes! If you have both sizes of the Sphere light the same remote can work on both.