Amemo LED Folding Desk Lamp/Table Lamp with USB Charging Port(10Watt, Eye-care,3 Modes w/5 Dimming Levels,Alarm Clock, Calendar, Thermometer) Using new 4-Generation LED lighting technology,simulating natural light,give you a soft,pure,fresh and comfortable enviroment.Light Wattage: 10W,Color temp:2780-6000K,Liftspan: &gt;35000hrs, Weight: 2.48lbs. High sensitivity touch panel,elegant control experience. Available 3 mode(Cold light-Warm light-Natural light), excellent color reality and eye-protection.5-Grade brightness strengths,applicable to different lighting requirements. Folding and biaxial rotary design, easy to get best lighting angle. Memory function. Built-in USB port charges smartphones, tablets and e-readers. Built-in CLOCK: Includes a digital clock for time, date, and temperature display. Can set an alarm. Economical and Environmentally Friendly: Low energy consumption design, saving 90% than incandescent lamp.Does not contain the Tungsten,Mercury and other toxic metal. No fragile glass parts, safe and ease. Warm tip: you need to remove the insulation paper under the cell battery in the back of lamp so that the clock will work and keep the situation when you pull out the cord of the lamp.