No base station or server required, allowing for direct mobile app updates. Original fast scanning technology with smart sensor labels for efficient operation. DIY template design capability with the flexibility to switch between multiple templates. IP65 dustproof and waterproof structure design ensures safe usage in various environments. Built-in status prompt LED for clear indication of operational status. Electronic Shelf Labels (ESLs) are the modern solution for retail stores facing online competition. With Bluetooth communication, these labels support various content formats including text, barcodes, QR codes, and images. They are lightweight, durable, and easy to maintain, making them suitable for diverse applications in stores, supermarkets, schools, and hospitals. Associates can save time and effort as there is no need for physical re-pricing of labels. Color: White Material: ABS Package Contents: 1*2.9 Inch Eink Screen Price Tag