mini led writing board: 1.Power supply: three pieces of Grade AA batteries (4.5 V). 2..Material:ABS + Acrylic +LED light. 3.High illumination ,Long life span,Slim, Convenient, Portable. 4.Environmental protection, 5. Specifications and Packing SpecificationPacking QTYPacking Size100*100*2 mm300pcs560*520*260 mm260*165*2 mm100pcs560*520*510 mm 6.Applications:It could be used for souvenir, wine list for bar, lovers’ gift, festival gifts; decorating the household, children’s bedroom, and restaurant and also it could be used in dark environment like KTV and other place of amusement, etc. 7.Notes: We have a lot of image design for customers. The image can be separately designed according to customer's requirement. Any logo or trademark in the image is for reference purpose only.