Halo lamp spreads light evenly with no hot spots, or glare or white mark * Very strong flexible light cord cable, allowing light ton be moulded to perfect postion and can be coiled when stored for travel. * Light has extendable clip, meaning it can comfortably clip on to a bed post if prefferd when reading at night * Unlike most kindle lights this clips well on to the device even without a case. * Light has up to 40 hours battery life.