Functions:Creative USB message board lamp, a great and practical decoration light for home.Transparent acrylic board material, with amazing light effect.The LED bead is warm light color, can add warm atmosphere.This board lamp is with a free pen as a gift, you can leave message with this pen. The messages are easily removed by the eraser on pen top.USB input way, very convenient power way, you can connect it with power bank, adapter, laptop, etc.3 kinds of type for choice, blank, calendar and heart shape.Feature:Material: Acrylic, LED, Electronic ComponentBoard: TranparentBase: WhiteType: Blank, Calendar, HeartLight Color: WarmBlank: Board: 10*15cm; Base: 9.7*4cmCalendar: Board: 10*15cm; Base: 9.7*4cmHeart: 13.3*12cm; Base: 9.7*4cmPower Way: USB InputVoltage: 5V 1APackage Details:1pc x Acrylic Board1pc x Base1pc x PenPackage included: 1Set x Message Board Lamp