By application the vision, light or gravity sensor and smart camera and screen function, We can help the brand party or retailers to Remold part of the store display or whole new store display into the digital smart display. The consumers could have more interactive action through the smart screen content. Thus the consumers could stay before the products longer time to learn more information and improve the purchase rate. At the same time, The back system could collect more consumers information through the camera and then make those information into various types big data, Those data is very very important to analysis to improve the operation efficiency or marketing strategy.