Compatible with Windows, Android or iOS systems. The high print resolution of 300 dpi is also ideal for printing small barcodes. Equipped with USB, USB host, Bluetooth 4.1 and Ethernet interface. Optionally expandable with Wi-Fi 802.11ac and MFI 3.0 (Apple) interface (please order WLAN module separately). Simple operation via 3 buttons. Integrated LEDs provide information about the current printer status. The movable media sensor also ensures excellent compatibility and means that virtually any medium can be selected. Max. media width 118 mm, max. print width 104 mm Max. roll-Ø 127 mm With tear-off edge With real-time clock, black mark sensor and gap sensor Memory: RAM: 256 MB, flash: 512 MB Thermal transfer label printer Zebra ZD421 Standard Delivery incl. USB cable, power supply unit and power cord (EU, UK). Without ribbon cartridge and WiFi card, please order separately.