Metal Cooling LED Desk Lamp. Super Premium aluminum alloy construction acts as passive heat sink, protect and prolong LED lifespan. Ultra-slim arms and base with anodized/brushed metal finish adds style to your home/office. Touch control function make you more easy to open the lamp in the dark enviorment. Feature - Color: Silver. - Material: Metal+LED. - Size: 15 x 9 x 35cm. - Power: 5.5W. - Input voltage: 5V. - CRI: > 80%. - Well-Balanced Lighting: Ultra wide distribution of powerful illumination with a bright, focused main light and a blanket of ambient illumination. - Rendering: A replacement for all incandescent and halogen lamps with a CRI of up to 80 under Painting mode; features a knob control for precision dimming. - Improved Illumination Uniformity: Edge-lit LED panels deliver softer uniform light with reduced “blue light” effect to the space, which means no stroboscope effect and with the “flicker-free” ballast. - Effortless Positioning: Boasting neck rotation and tilt at the head function to cast a wide pool of light across your desk; keep your phone charged while working with the built-in USB port. - Minimalist Design: Perfect for any modern styled setting, this LED desk lamp is expertly constructed in aluminum and beautifully finished in brushed satin. Package list: 2 Control Desk Lamp