1. Printing method: Direct thermal\r\n2. Resolution: 203DPI\r\n3. Print width: 56mm\r\n4. Printing speed: MAX: 101mm/s; MIN: 50.8mm/s\r\n5. Memory: DRAM: 4M FLASH: 4M\r\n6. Print head temperature sensor: Thermistor\r\n7. Interface: USB\r\n8. Types: Paper roll, sticker, adhesive sticker, etc\r\n9. Paper width : 20mm~60mm\r\n10.Roll external diameter: MAX 100mm\r\n11.Roll inner diameter: MIN 25mm\r\n12.Power supply input: DC24V, 1.5A