3.7 Inch Electronic Price Tag Retail Price Display for Mobile Phone Store

3.7 Inch Electronic Price Tag Retail Price Display for Mobile Phone Store. E-Ink Energy Saving: Uses E-ink technology to reduce energy consumption and ensure clear readability from various angles. Remote Price Update: Remotely change prices to reduce manpower, improve efficiency, and cut labor costs in stores. IP68 Waterproof: Waterproof ESL with IP68 capability, working normally even if immersed in water for 30 minutes. Customizable Design: Supports high degree of appearance customization, including color and corporate logo printing. Multi-Color Display: Offers black, red, white, and yellow colors, with development of six and seven-color ESLs. Flexible Deployment: Compact system deployable on local servers or cloud servers for flexible network architecture. Long Battery Life: Battery lifetime exceeds 5 years with 5 updates per day, using standard Cr2450 batteries. Unified Price Management: Automatically syncs online and offline prices to prevent inconsistencies and improve store image.