Sunbeam SB980 Bug Zapper uses UV rays to block bugs and kill bugs that fly to the light.The device can be hung or placed on a flat surface.Bug zapper is powered by a rechargeable battery that can power the device for up to ten hours.Once the battery is dead, it needs to be charged using a closed AC power adapter.UV bulbs and rechargeable batteries cannot be replaced.Slide the power switch to the off position.Plug the AC power adapter into the charging socket located at the bottom of the bug zapper lantern.Plug the other end of the power adapter into the power outlet.The battery is allowed to charge up to six hours.Remove the AC adapter from the lantern.Put the bug zapper where you want it.It can be hung with a handle or placed on a flat or even flat surface.Slide the power switch from "Off" to the "On" position.When the device is not used or the battery is dead, slide the switch back to the "off" position.Slide the removable bug tray from Sunbeam Bug Zapper to clean it up after each use.