Features: 【UV-Free Natural Light】: The light board can simulate natural sunlight, UV-free, which provide safe and comfortable light. Perfect for people who live and work indoors for a long time with little exposure to sunlight. 【Adjustment Brightness & Color Temperature】: 3000-6500K color temperature, White/Warm/Mixed Light adjustment. 5000-35000lux, support stepless dimming. The led lamp with memory function, you don't need to adjust the light again when you use it for time. 【USB Powered & Timing Function】: Powered by USB cable, easy to access to any USB port like computer, laptop, mobile , power bank, etc, very convenient to use. With timing function, support choosing 15/30/45 minutes for using time. 【Removable Bracket Design & 1/4 Inch Screw Hole】: The light is designed with bracket stand, you can place it on the desktop of office, home and dormitory. With 1/4 inch screw hole, compatible with tripods and light stands. It can also be used as lighting lamp in dark environment. 【Portable】: Small and lightweight, made of ABS, easy to store in your bag and carry it any place. Ideal use for bedroom, living room, study room, office, etc. Specifications: Appearance Color: White Light Color: White & Warm Light/White & Blue Light(Optional) Material: ABS Input Voltage: 5V, current 1-3A Brightness: 5000-35000LUX Color Temperature: 3000-6500K(White & Warm Light)                             6000K + 470NM Wavelength Blue Light(White & Blue Light) Luminous Area: 14.1 * 9.0cm / 5.6 * 3.5in Timing Function: 15/30/45 minutes(with Warm/White/Blue Light Indicator) Item Size: 16.1 * 11.5 * 1.5cm / 6.3 * 4.5 * 0.6in Item Weight: 133g / 4.7oz Package Size: 20.2 * 18.0 * 4.5cm / 8.0 * 7.1 * 1.8in (With Remote Control)                       21.2 * 14.1 * 5.0cm / 8.3 * 5.6 * 2.0in (No Remote Control) Package Weight: 275g / 9.7oz (With Remote Control)                           231g / 8.1oz (No Remote Control) Packing List: 1 * Lamp 1 * USB Cable 1 * User Manual(English)  

【UV-Free Natural Light】: Therapy light board can simulate natural sunlight, UV-free, which provide safe and comfortable light therapy, it can help improve your mood and sleep, keep your brain awake and energetic. To help you fight winter blues, jet lag, shift work, insomnia, seasonal changes and sunlight deprivation. Perfect for people who live and work indoors for a long time with little exposure to sunlight.【Adjustment Brightness & Color Temperature】: 3000-6500K color tempera