TeckNet 15W LED Desk Lamp, Dimmable Office Table Lamp with 5V/2A USB Charging Port, Eye Caring, Touch Control, 3 Color Modes with 5 Brightness Levels, White TeckNet LED Desk Lamp will reduce energy consumption by 80%, energy efficient and environmentally friendly 3 Light modes(Cold Light,Warm Light, Natural Light) and 5 brightness levels to meet your different needs. Eye protective and non-glaring light, great for reading, working and studying. Specifications: over 450 Lumen; Color temperature: Cold Light 5500K, Warm Light 3300K; Lifespan: Over 30, 000 hrs; Input: AC 100 - 240V, Output:5V/2A Touch control, modern sleek design with usb charging port Package Contents: 1TeckNet LED05 Desk Lamp, 1User Manual, 118-month Warranty Card, 1AC Adapter and lifetime friendly customer service.