Portable & Multipurpose Clip On Reading Light Thinner and lighter than other book lighs in the market, this mini book lamps can be used as a bookmark as well. With soft light, no worry about disrupting one's sleep. Perfect for Kindle, iPad, and book reading in bed, car, plane, train etc. Adjustable Color Temperature & Brightness PAPRMA eye-caring book light has uniform 3000K warm yellow, 4500K warm white and 5500K white 3 color temperature options; Brightness can be steplessly adjusted up to 50 Lumen. Double Clips & Build-in MagnetThis book reading light includes 2 detachable clips: metal one is for under 0.5cm thick books and rubber one is for 0.5-2cm thick books or devices; With the magnet in the back of clips, you can easily stick it on iron surfaces.