... speed50~70mm/sLife cycle time50km(printing density under 12.5%)/100 million pulsestext and graphic SupportEnglish, figure, symbol, ... )Dot pitch (resolution)203DPI/8 dots/mm interfaceIR,Bluetooth,RS232,Mini USBPower2000mAh 7.4V rechargeable Lithium batteryRecharge adapterStand ... %~85%Storage SettingTemperature -20°C~70°C ; Humidity 5%~95%Standard accessoriesLong-term preservable paper, AC adapter, li ...