... tech laser-dotting tech. 3.LED source High Luminosity Slim Light box: Ultra-slim, Ultra-shine, energy-saving, even luminosity, durable,fashionable ... Size: 2m*4m, customerized size is available.7.Thickness: Ultra-slim, from 15-50mm8.Different varieties and specifications: water-proof, ... in one export cartonHanging to the wall by hooks or Stand style or Hanging by bolt or steel wiresA1594*841582*829702 ...