Yustar Touch Dimmable LED Desk Lamp- Clamp LED Reading Light- 5W Energy Saving SMD5630 LED- Pure White Lighting Eyesight Protection- Adjustable Metal Gooseneck- UL Power Plug (Black) Eye-friendly: 8-piece Samsung SMD5630 LED chips emit stress-free natural daylight, flicker-free, anti-glare without ghosting 5W per hour low energy consumption costs only 1KWh even after constantly working for 200 hours. Fully-flexible: durable and free-angle gooseneck allows you to tilt and swivel lamp at will, can be clipped on objects with maximum thickness of 45mm/1.77inch Touch control: the entire cylindrical area underneath the red ring (indicator light during night) is sensitive to touch Black painted stainless metal body is longer life and more durable than other plastic clamp reading lights.