Guanya Metal Led Desk Lamp, Dimmable Eye Protection Table Light for Bedroom Living Room Office (Ultrathin Aluminum Alloy, 8W, Touch Control, 4 Lighting Modes, Daylight White Memory Function Black) Touch sensitive controller with 4 lighting modes and memory function to be suitable for your needs. Swiveling LED face,adjustable lamp-arm with rotated base ensures you're able to get the perfect angle. Be pleasant on the eyes.The desk lamp with a large range ghost-free and flicker-free lighting. The desk lamp use 75% less energy than an incandescent lamp.Low consumption and over 50000 hours lifespan. Professional eye-caring design makes it suit for bedroom,living room,office and college dorm.