ZD421 Label Printer Print Technology: Thermal Transfer (requires a ribbon) but also supports Direct Thermal printing. Print Speed: Capable of speeds up to 6 inches per second (152 mm/s). Connectivity: Standard interfaces include USB 2.0, USB Host, Ethernet (LAN), and Bluetooth Low Energy 5 (BTLE5) for mobile setup. Media Handling: Supports a maximum print width of 4.09 inches (104 mm) and can handle media rolls up to 5 inches in outer diameter. MC9400 Mobile Computer Scanning: Equipped with the SE58 Extended Range 1D/2D Imager, capable of scanning barcodes from near-contact to over 100 feet away. Display: A 4.3-inch WVGA (800 x 480) color display featuring Corning Gorilla Glass and dual-touch technology that works with gloves or when wet. Keypad: 53-key alphanumeric standard keypad. Memory & Storage: 6GB RAM and 128GB Flash memory, with a microSD slot supporting up to 2TB of additional storage. Battery: Specialized 5000 mAh freezer-rated rechargeable Li-Ion battery designed for sub-zero temperatures. Operating System: Runs on Android 13, with a guaranteed upgrade path through Android 17. Drop Specs: Withstands drops from 12 feet (3.6m) to concrete and survives up to 3,000 tumbles. Temperature Range: Operates in extreme cold from -22°F to 122°F (-30°C to +50°C).