Programmable Scrolling LED Message electronic name tags

Programmable Scrolling LED Message electronic name tags Specifications · Size: 8 x 3cm · Dot-matrix: 7 x 21 (147 dots) · Colors: Red, Blue, Green, White, Pink, Yellow, etc. · Battery: embedded 1pc of CR 2032(3V), operation up to 20 hours. Descriptions · Holds up to 6 messages in memory (up to 512 characters for first message, and 256 characters for other message) · Supports English display. · 9 speed and illumination levels. · Program the customer's own message easily through