DESC: 6 super bright led's-never burn out / One touch on & off dimmer switch / Pivoting light head / Can be used as a reading light-clips onto headboard. 6 Super Bright White LEDs: Provide bright light where you need it, LEDs last up to 100,000 hours. One Touch On, Off, Dimmer operation: Once for full brightness, again for softer light, a third time to turn the light off.Pivoting Head and flexible neck for ideal positioning: Position the light right where you want it. EZ Clip Bracket: Clips to most frames in seconds (For frames 0.5 inch to 1.25 inch thick). Screw Mount Bracket: Secure light to most surfaces (for more permanent applications and frames under 0.5 inch thick and frames over 1.25 inch thick).Batteries: 3x 1.5V (AAA batteries).