Alipay RL2 is an all-in-one mobile cash register device with a dual-camera code scanning module. It is mainly used by customers with waist and middle and long tails. At present, there are various types of devices and complex functions on the market, which have caused great troubles to users' use and selection; according to the characteristics of the users, create a cash register that can accept commodity one-dimensional codes, one-dimensional and two-dimensional payment codes Operation, taking into account commodity entry, price change and other commodity management. The curved design takes into account the two working states of handheld and desktop to achieve the best ergonomics. It is equipped with a rectangular light ring to provide users with payment scanning guidance, making the handheld device with small volume and high volume a commodity management assistant for merchants.