X431 Diagun 1.Compact main unit, powerful diagnostic functions, fast and convenient update ... Diagun is a specially designed diagnostic tool for automotive technicians. Compact main unit, powerful diagnostic functions, fast and convenient update ... DC12V/24VPrinter Interface: USBDisplay Screen: 480X272, 4.3-inch LCD with touch screenRechargeable Battery: 1530 mAhBluetooth: theoretically 100m, suggest 15 ...