HP Smart Tank 790 All-in-One Thermal Inkjet Printer (4WF66A) - Functions: Print, Copy, Scan, Fax, ADF and Wireless, Print Speed: Print speed black: ISO: Up to 15 ppm, Print speed color: ISO:Up to 9 ppm, Resolution:, Memory: 256MB, Display: 3 in (76.2 mm) Touchscreen MGD (Mono Graphics Display), Duplex printing: Automatic, Wireless capability: Yes, 2.4/5G dual band Wi-Fi, Wi-Fi Direct, Bluetooth low energy, Connectivity: 1 x USB Host, Hi-Speed USB 2.0, Wi-Fi, Bluetooth LE, Ethernet, Fax, Custom:, Tray:, Paper Handling:, Operating System: Windows 10, 7: 32-bit or 64-bit, 2 GB available hard disk space, Internet connection, Internet Explorer, macOS v10.14 Mojave, macOS v10.15 Catalina, macOS v11 Big Sur 2 GB HD