ViSee LED Desk Lamp, Foldable, Rotatable, 3 Lighting Modes & 5- Level Brightness Control for Each Mode, Touch-Sensitive Controller, USB Charging Port, Aluminum Alloy Light Head & Arm (Silver) 35000 hours LED lifetime, minimum 12 years if using 8 hours per day, about 80% energy saving. Folding and biaxial rotary design, easy to get best lighting angle. Aluminum Alloy Light Head & Arm. 3 lighting modes (cold light, natural light, and warm light). Five level adjustable brightness modes allow you to customize your lighting as wish. Flicker-free natural light, ease for eye. No mercury, No UV, No radiation, No noise.