: Handwritten message light boxProduct light source: LEDOutput voltage: 9V with a USB cable capacity: 3 AA batteriesIlluminated at night: built-in Led light, can be used as a night light.Hanging decoration: there are nail holes in the back. hang on the wall, make a calendar or decorate. DIY: wirelessly match your alphanumeric according to your mood. of power supply methods: USB plug or .USB and Style( not included) and USB edcolour: + whiteMaterial:Acrylic + ABSsize:31*21*5cmPackage Contents:1*LED Box1*USB Cable1* Pen the above package content, products are not included.Note: shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.