Description: 1): Three button for on/off and brightness controlling, easy to adjust brightness than one button 2): 5V,1.3A,430LM and 7000 Lux in the surface 3): Thin thickness reach to 6mm 4): New improved frame structure, no side light output Note: A4 LIGHT PAD ASSIN: B079HMW4BV don't INCLUDE 5V*2A ADAPTER INSIDE PACKAGE, A4 light pad ASSIN: B079HMW4BV Package include: 1 * A4 light PAD USB 2 * Clip 1 * Carry and storage bag 1 * Manual 1* 1.5M CABLE: one side is USB PLUG, the Other side is DC 5.5*2.1 plug to light pad