Happy-top 360 Degree Adjustable LED Eye Protection Desk Lamp Holder USB Flexible Neck Headboard Light Reading Book Desk Lamp Reading Clip Lamp with Clip and On/off Switch (Black) DURABLE: It is made of durable metal material, enough bright for a long lifespan.The finish is coped well EYE CARE: Low heat-generating, eye protection.Provides bright and soft light Features an ON/OFF button, you don't have to up plug every time Flexible Neck Clip-On Booklight onto your book or lap desk The energy saving led lamp light use in clip-on or freestanding mode