Fortune Products LB-5W Square Light Base with White LED's, 5" Length x 5" Width x 1-1/4" Height Light base contains 16 white LEDs and can be used to support and light up a square vase or liquor bottle or another transparent object On/off button can be used to turn all LEDs on or off at once Hanging hole on back allows light base to be mounted to a wall Runs on four AA batteries (sold separately) 6V DC jack allows light to be used with a Fortune Products variable power adapter or battery power pack (sold separately)