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 Component Color: Board: Tranparent Base: White Type: Blank, Calendar, Heart Light Color: Warm Size: Blank: Board: 10*15cm; Base: 9.7*4cm Calendar: Board: 10*15cm; Base: 9.7*4cm Heart: 13.3*12cm; Base: 9.7*4cm Power Way: USB Input Voltage: 5V 1A Package Details: 1pc x Acrylic Board 1pc x Base 1pc x PenNotes: Please allowed 1-3mm differences due to manual measurement, thank you Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the itemPackage included: 1Set x Message Board LampPacking Safely in Bubble Bag.