Enjoy the most cost-effective rechargeable LED Desk Lamp now Eco-friendly LED Desk lamp provides 3 levels of brightness, touch control, and does not contain any mercury or emit harmful UV radiation. when fully charged, the lamp will last 5 hours consecutively on the dimmest setting, 4 hours on brightest. It provides a Color Rendering Index light of 90+ (CRI) for a natural, sunlight type light for a healthy and enjoyable use. Specification: Wattage: 1.5 Watt Voltage: 100 ~ 240volts Working Voltage: DC5V-500mA Luminous Flux: 210 lux Product height: 11.4in Weight: 0.33lb Material: plastic Switch Style: Touch Warranty Description: 1 years Included 1 twotwowin LED mini rechargeable lamp 2 high quality micro USB (3ft)premium cables Guide Tips 1. Please charge the lamp over 5 hours before initial use for best span life. It takes 12 hours to reach a full charge. 2. If this lamp is not used for a long time, please charge it at least once in two months (over 8 hours) to protect the battery from aging. Power Usage Alerts 1. The batteries are discharged when lamp is dimming. Please stop using the lamp, and recharge it in time, lest it damage the performance of batteries and reduce its lifetime. 2. This lamp is small and max output 1.5W.