Introducing Duo Reading Lights, featuring the latest LED technology! 2 super LEDs. Flexible arm. Powerful, secure clip. 2 lithium batteries included! Box with acetate window and hangtag measures 1-7/16" wide x 10-3/16" high x 1-3/8" deep." Duo's 2 super LEDs provide bright, glare-free illumination for a comfortable reading experience. 2 super LEDs. 2 settings: LOW and HIGH. Use LOW for dark rooms, use HIGH for areas with some ambient light. Powerful, secure clip. Sturdy, adjustable neck keeps light where you want it. Easy to position for most comfortable reading. Handy for car trips, camping, crafting, power outageswherever you need extra illumination! Batteries included! Two cool colors to choose from! Clean with dry cloth.