Wh-n-0rf4 thermal printer 57mm

Key Attributes.

1. Set cutter /half cutter, with hard-wearing cutter 2. Direct thermal line printing method 3. High speed (50mm/sec, based on character ratio 25%) 4. Paper end and nearly end detection function 5. Support 9V-24V power 6. Serial (RS-232C, TTL) interface / Parallel interface 7.Abundant figure/curves/characters print function