Product Dimension:420*130*110mm; Processor:32-bit ARM CPU; Viewing angle:160°; LED Specifications:1010 Input voltage:AC100-240V,50/60HZ Support format:MP4,AVI,RMVB,GIF,JPG,PNG Material:PC+ABS+Alloy TF Memory card:4GB N.W:1.8kg LED Quantity:224 pieces Resolution :450*450 Power Rating:15W-20W Youtube Videos: https://youtu.be/2mcwJQvlmR8 https://youtu.be/GcXFnDiIpQM https://youtu.be/kX3OXadNLck