Specifications:

• battery change: can be replaced
• Battery life: 2-3 years
• Display color: red / Black
• Electronic Price Tag: Eink Price Tag
• Frame Material: PVC Plastic
• Magnetic: No
• Model Number: 2.9 BLE ESL
• Operating Temperature: -20-70 degrees
• Origin: CN(Origin)
• Size: 2.9"
• Support content format: text/bar code/two-dimensional code
• type 1: electronic paper
• type 2: digital price shelf tag
• Type: Bulletin Board
• Double-sided writable: No
• app: Only supports Android system
• application for: supermarket/hospital/school/meetings/warehouse