Features: 58mm embedded thermal printer, 60mm/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/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/s Resolution: 203dpi Print Head Lifespan: 50KM Print Command: ESC/POS Operating System: Linux, Windows XP/7/8/10, Android Work Voltage: DC 5-9V Interface: USB/RS232/TTL Item Size: 11.1 * 6.5 * 6cm/ 4.4 * 2.6 * 2.4in Item Weight: 177g/ 6.2oz Package Size: 18.3 * 11 * 8.3in/ 7.2 * 4.3 * 3.3in Package Weight: 346g/ 12.2oz Packing List: 1 * Thermal Printer 1 * Thermal Paper 1 * USB Cable 1 * RS232 Cable 1 * Power Cable