Description Specs Red Light Book Light The Twilight Book Light light features our proprietary red light spectrum, which is flicker-free, gives off a warm and relaxing campfire feel, that is 100% free of any blue and green light. The gooseneck has a 360-degree flexibility and can be adjusted to the exact position you want. This is especially useful when reading in bed with a partner. This is the ultimate blue and green free light to have on hand. It is lightweight and completely portable and is perfect for traveling, camping, using in the baby's nursery, or utilising anywhere you need some light that is 100% free of any sleep-disturbing blue light. The rubber pad on the clip protects book pages from being damaged and offers secure and stable clamping. The large clip has a flat bottom base to convert it into a table lamp, providing a blue and green light free source wherever you need it. With three brightness settings of 25%, 50% and 100%, the Twilight Book Light allows for an easily adjusted variable brightness of 20, 40 and 80 lumens. FULLY RECHARGEABLE—This red light book light is powered with a rechargeable lithium battery (1200mAh) that allows up to 30 hours of use before needing to be recharged. • 100% Blue and green light free • Flicker Free Technology • Rechargeable 1200mAh Lithium Battery • Up to 30 hours use before recharge • Flicker Rate: 0% • EMF: 0% • Range of Light: 600nm-660nm (peak 630nm) • 360 Degree Bendable Neck Cord • Micro USB Charging Cable included • Sturdy Base Clip with Rubber Mat Grips which converts to a desk/table lamp • 28cm Long, Fully Extended • 9cm x 8cm When Rolled Up