The D2 intelligent cash register is an efficient payment device for retail and commercial venues, suitable for retail stores, restaurants, etc. It features cashiering, invoicing, and takeout order receiving. The vertical design optimizes counter space, and the aluminum alloy and speaker cloth body enhances the brand image. The secondary screen with under-screen NFC and a hidden transaction indicator light provides a convenient payment experience. The D2 offers single and dual-screen options for different scenarios. The customer display shows real-time prices, improving ordering and payment efficiency, and supports advertising for business promotion.