Specifications: Input voltage of the power adapter: 100-240V AC Working voltage of the lamp: 12V DCDesk lamp wattage: 8W LED Qty: 60 pcs Brightness: 500lmColor temperature: 6000K daylight whiteCRI: over 80Beam angle: 120 degreesMaterial: Aluminum (lamp head and arm) +Plastic (lamp base) Product weight: about 1.76lb 7 Dimming Levels The lamp offers 7 levels of brightness, which is great because you can dim the light to find the perfect brightness level for your situation. Touch-Sensitive Control with Memory Function All operations including power on / off and brightness up / down, are all done by sliding your fingers on the touch-sensitive panel. The memory function enables the lamp to automatically resume the brightness level of the previous use when restarted. (NOTE: If you pulled off the power plug, the lamp will automatically resume the brightest level when restarted.) Fully Adjustable The lamp is so fully adjustable that it is easy to get the light to shine where you need it. This lamp has a heavy base, and when leaning forward, it is fully supported by that weight, and does not fall over.Soft on Your Eyes The led desk lamp emits flicker-free, even and non-glare light, helping you avoid eye fatigue caused by flickering light and harsh glare.Energy-Saving The LED Desk Lamp uses power-saving LEDs, which consume 80% less power than traditional incandescent lights at the same level of brightness.Long Lifespan LED light sources are designed to last for 50000 hours or more, reducing the hassle of frequent replacement. High Thermal Conductivity The lamp arm & head is made of high-quality aluminum material, which effectively conducts out the heat from the leds and prolong its lifespan.