Wood Swing Arm Desk Lamp, Integrated LED Table Light, Heavy Base, 5W (50W Eqv.), 4-Level Dimmer, Warm White, Bulb Included. 1. Eye Protecting Deep lampshade design avoid eyes offending. LED chips inside provide large-area and uniform illumination of 400lm. No flickers, no humming. 2. Considerable Design Weighted metal base to prevent light tipping. Sponge base mat to avoid scratching your table. Four adjustable joints create multiple angles and different lighting heights. Heat emission holes around the lampshade to help heat dissipating. 3. Practical & Convenient Low energy consumption & no replacement needed. Throughout the 25000hrs service time, no troubles of bulb replacement. Rocker switch provides us easy and swift operation. ---------------------------------- The interconnecting piece between metal base and wooden arms is mainly made of woods, please be careful when you are extending the angle between arms and base, in case of overloading caused by big muscles. Specification Voltage: 120V Wattage: 5W Beam angle: 120 degree Lumens: 60lm, 120lm, 240lm, 400lm CCT: 2800K - 3000K warm white Lifespan: 25,000hrs Material: metal & wood Working Temp.: - 4 Fahrenheit to 95 Fahrenheit Power Wire: 71inch