Lelife Reading Light 5W Energy-Efficient LED Clamp Lamp Light, Black Update version from 2019-1-10, brighter compared with old version.Super Bright:Two brightness level, High level is suit for task, low level is suit for reading without disturb your honey Durable:Highest quality LED chips provide 200 Lumens and 3000K bright warm yellow color light. Led life span more than 50K hours, never needs to be replaced Strong Clamp: mount to bedframe, headboard, home office tables, computer desk,dorm room furniture & accessories Flexible Neck:provides great light right where you want it.Excellent for college and university students who needs small footprint lights for reading and studying Versatile Power Supply:with a USB power cord, you could connect to Powerbank or USB AC adapter. Package in the box: 1xlamp, 1xoperation manual,1xUL AC adapter. Promise: 60 days money back guarantee for quality problem <span class="a-text-bold">Have you found that</span> your bedside lamp always keep your spouse awake?  Worse still,if your spouse can&#039;t sleep well,he can&#039;t work well in the second day,and easy to make a mistake in the work. Our clip on light with a flexible gooseneck,you can bend it to the angle you want. Also the beam is narrow enough to not shine in your spouse&#039;s face.Our lamp is perfect for reading in bed and not distrubing your spouse <span class="a-text-bold">Have you found that</span> cool white light is harsh and more straining on your eyes? Consider this,we use a 3000K color temperature LED,which emits a warm yellow light. <span class="a-text-bold">Have you found that?</span>If lamp head heat diffuse slowly?The LED life will shorten,and the lamp head will be very hot and could be dangerous. Consider this,our lamp head with big slot which can diffuse the heat easily