Features: Direct thermal printer uses 58mm thermal paper, no ink cartridge or ribbon required, low operation cost. Compatible for Windows system. High-speed and clear printing, print speed can reach to 90mm/s, low noise and strong stability. Support download and print logo & graphics. Support GB18030 big font, easy to print uncommon characters. Easy paper install structure, simple and convenient to use. Compatible with ESC/POS instruction set. Can be widely used in tax bill printing, restaurant and store receipt printing, parking bill printing, etc. Fashion appearance, blue and transparent cover design, users can know the usage situation of paper rolls at any time. Specifications: Color: Black Material: ABS Plug: 110-250V US/110-250V EU/230-240V UK(optional) Print Method: Thermal Line Printing Printing Width: 48mm Resolution: 384dots/line(8dots/mm, 203dpi) Printing Speed: 90mm/Second Interface Type: USB Line Spacing: 3.75mm(Can adjust line spacing by commands) Line No. - Font A: 32 character/line - Font B: 42 character/line - Simple,traditional Chinese-16 lines Bar Code: UPC-A/UPC-E/JAN13(EAN13)/JAN8(EAN8)CODE39/ITF/CODABAR/CODE93/CODE128 Graphics Printing: Support bitman download and print Paper Type: Thermal Paper Roll Paper Width: 57.5±0.5mm Paper Diameter: ≤60mm Feed Method: Easy Feed Commands: Support ESC/POS Working Environment: Temperature: 5-45℃, Humidity:10-80% Storage Environment: Temperature: -10-50℃, Humidity:10-90%(No dew) Print Head Life: 50KM System Supported: Windows, Linux, Android Item Size: 18.5 * 13.0 * 11.2cm / 7.3 * 5.1 * 4.4in Item Weight: 571g / 20.1oz Package Size: 19.2 * 13.5 * 12.5cm / 7.6 * 5.3 * 4.9in Package Weight: 811g / 28.6oz Note: The printer does not support wireless printing. If you want to connect it with your phone, please first make sure the app and the phone both support OTG connection. The OTG cable is not included in the package. Please buy it separately. We don't recommend it for printing via smartphones. Package List: 1 * Printer 1 * Adapter Power Line 1 * Paper Roll 1 * USB Cable 1 * User Manual(English)