... FSTN (Blue LED Backlight)Display Contentprinter status(serial, Bluetooth, paper out error), baud rate, speed, density ... , password, black mark,Bluetooth etc.Multilanguage21 codepagesSensor Paper End SensorInterface RS-232,USB, BluetoothPower AdaptorDC9V/2ABattery Power1500mAh ... charger ,external charger ,battery, CD-ROM, USB cablePhysicalWeight270g(excluding roll paper)Dimension (WxLxH)87×119 ...