LB-RL-Series(round light box) Any sizes from 30cm to 140cm one tube LB-SL Series(square light box) From 20*40cm to 120*140cm one tube to four tubes LB-EL Series(ellipse light box) 35cm*50cm to 70*120cm one tube LB-RTL SERIES(ROTATING LIGHT BOX) 22*38CM TO 150*30CM 2sides, 3 sizdes. one tube. LB-TL Series (standing light box) 17*36cm,2sides, 1 tube 100*30cm,120*30cm,130*30cm, 2sides, no tube 150*30cm,3sides, no tube Picture changing series: SD-1000W is single sided picture changing light box(size:2000*1000*200mm, weight 70kg) SD-1500-3 is triple sided picture changing light box with LED(size:3200*1500*1500mm, weight360kg) SD-1650 is picture changing light box with dustbin and LED(size:3600*1650*300mm, weight 320kg) Picture capacity:2-6 or more Power source220V50HZ