DP LED Desk Lamp Eye-caring (White) Inbuilt rechargeable battery featuring long lifetime, maintenance-free, and high capacity up to 1,800mAh, enabling lighting even there is power failure. After purchasing, we provide an English User Manual for you Adopts 48 pieces of SMD LEDs, with subdued light through special optical treatment, and uniform lighting area through advanced design.Switching power supply is adopted for recharging, enabling lighting with mains supply. It features high luminous intensity, high brightness within vertical scope, high energy-saving, long lifetime, so it has obvious advantages compared with incandescent light bulb and energy saving lamp with same luminous flux.Subdued light lampshade for more gentle light ray without harming the eyes. The color temperature of the lamplight can be selected according to the preference of the user, i. e. white light, warm light, white lightwarm light. Exquisite and fashionable, elegant and gorgeous, applicable for desk illumination of office, school, education programs, library, bedroom and study, etc.