1. High speed, clear printing.  
2. Printing speed: up to 8 inch/s; minimum 2 inch/s 
3. Print interface: USB 
4. Print head resolution: 203 dots/inch (8 dots/mm) 
5. Print dot size: 0.125 x 0.125mm (1mm=8 dots) 
6. Maximum print width: 104mm 
7. Maximum print length: 2286mm 
8. Operating environment: 5~45 degrees Celsius 
9. Storage environment: -10~50 degrees Celsius 
10. Power: Input: AC 110V / 240V; Output: DC 24V / 2A, 48W 
11. Built-in volume maximum outer diameter: 130mm OD 
12. Paper winding method: printing surface roll type 
13. Paper width: maximum 120mm; minimum 20mm 
14. Paper thickness: maximum 0.254mm; minimum 0.06mm 
15. Paper reel heart distance: 25.4mm-38mm 
16. Paper roll spacing height: minimum 2mm