4.2-Inch Light Display Electronic Shelf Labels E-Link Epaper 2.4GHz ESL Price Tag for Retail Store Warehouse Supermarket Waterproof Ipx67

4.2-Inch Light Display Electronic Shelf Labels E-Link Epaper 2.4GHz ESL Price Tag for Retail Store Warehouse Supermarket Waterproof Ipx67. Bluetooth 5.0 Technology: Utilizes latest Bluetooth Low Energy 5.0 for agile and flexible updates. IPX67 Waterproof Rating: Fully waterproof protection suitable for retail and warehouse environments. 5-Year Battery Lifetime: Long-lasting CR2450 battery supports 5 years of operation with 5 updates daily. 4.2-Inch E-Ink Display: Provides fully graphic display with 400x300px resolution and 119 dpi density. Wide Viewing Angle: Delivers near 180-degree viewing angle for excellent readability from any angle. Multi-Color Display: Features Black, White, and Red pixel colors for clear information presentation. AES 128-Bit Encryption: Ensures secure data transmission with advanced encryption standards. RoHS and CE Certified: Meets international safety and environmental compliance standards.