Model Number: ESL-MW-DS035 3.5inch ESL Paper Tag

• Size: 3.5inch
• LED light: 3-Colors
• Dimension: 99.5*49.5*9.8 mm
• Active display: 79.4*37.9 mm
• Working temperature: 0-40℃
• Battery: CR2450*2
• Battery life: battery package, 6 years (5 updates/day), replaceable, need buy from Ween Smart