From the brand
Product Description
Note: These fans only repel flies and bugs, they do not kill them.
How to Install The Battery Cover？
1. Use your fingernail to open the battery compartment by pulling down on the top tab of the battery cover. Or assist with a similar small pry bar.
2. Put in 2 AA batteries (not included in the package).
3. Secure the battery cover by pressing your left finger on the center portion of the battery cover, then press the top snap of the battery cover with your right finger until you hear a "click".
How to Open The Battery Cover?
Use a small pry bar or other hard object to gently pry open the tabs at the top of the battery cover to open the battery cover.
