Features: 58mm embedded thermal printer, 60mm or s print speed, clear printing and high efficiency, it will work perfectly with your device. Direct thermal printing, eliminating the need of ink cartridge or toner, environmental friendly and money saving. Multiple connection mode, USB, RS232 and TTL serial port, support ESC or POS command. Provided Android SDK, compatible with Windows, Linux, Android system. Adopt industrial printing head, stable performance, good printing effect, wear resistant and has long service life of 50km. Widely used in supermarket, shopping mall, restaurant, bank, self-service terminal, etc., and it is easily embedded to any kinds of instruments and meters. Specifications: Color: Black Material: ABS Print Mode: Thermal Line Printing Paper Width: 58mm Print Width: 48mm Roll Diameter: Max. 40mm Print Speed: 60mm or s Resolution: 203dpi Print Head Lifespan: 50KM Print Command: ESC or POS Operating System: Linux, Windows XP or 7 or 8 or 10, Android Work Voltage: DC 5-9V Interface: USB or RS232 or TTL Item Size: 11.1 x 6.5 x 6cm or 4.4 x 2.6 x 2.4in Item Weight: 177g or 6.2oz Package Size: 18.3 x 11 x 8.3in or 7.2 x 4.3 x 3.3in Package Weight: 346g or 12.2oz Packing List: 1 x Thermal Printer 1 x Thermal Paper 1 x USB Cable 1 x RS232 Cable 1 x Power Cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.