[38 Premium LEDs in Dual-row Design] This clip on lamp has 38 high-quality LED beads, which are scientifically installed on the light head and producing even & bright illumination. 38 qualified LEDs will give you a perfect lighting without flickering or dazzling. Plus, it can be used as a bed lamp, as it has special eye caring amber mode (1800K) to protect your eyes from eye strain & eye fatigue. Perfect gift for night workers and bedtime readers. [1 Key for 3 Lighting Modes & 30-min Timer] Our reading light for bed has a magic button to adjust for different purposes. With one simple press to switch between reading (3200k, 20 LM), focusing (6000k, 220 LM), and sleeping (1800k, 5 LM) modes. The exclusive 30-min auto-off timer function provides you better convenience. On top of that, you can also customize your personal lighting by adjusting the color temperatures from 1800K to 6000K, and the brightness levels from 5 to 220 LM.