Asymmetric light source, no screen reflection\nLamp Size: 400x20,8x19,2 mm\nSupport Thickness: 5 ~ 30 mm\nPower Input: USB (DC 5V, 2A)\nLuminous Flux: 300lm (Nature white), 200lm (Warm white / Pure white)\n3 Color Temperature Modes (Warm / Natural / Pure white)\n10 Brightness Levels\n4 Angle Levels\n84 LEDs (42 cold light & 42 warm light)\nFlicker free and no blue light\n50k LED lifetime\nWith memory function in case of power-down\n4 Control Keys (Power / Color temperature / Bri - / Bri +)