BenQ ScreenBar Plus e-Reading monitor light bar with wired Desktop Dial controller. P/N 9H.W43WT.WQ1. Used in excellent working condition — auto-dimming with ambient light sensor, adjustable color temperature (2700K–6500K), asymmetric optical design with no screen glare. USB powered (5V/1A). Includes: light bar, monitor clip/stand, desktop dial controller with USB cable. Note: the lamp housing label reads AR17_C; this is the Plus version with the desktop dial. Note: The first photo is a BenQ official product image for reference; photos 2 and 3 are of the actual item for sale; the remaining photos are also BenQ official product images for reference.