Charging Cradle for ET5X 8.3, Frame, X-Back, Key Lock, USB, Scanner Window. Fits the Zebra ET5x 8.3″ Tablet in the Rugged Frame with the 30-Pin Connector installed. Reinforced Acetal Corner Bumpers. Scan Window – Enables scanning while the tablet is docked. Key Locking. USB 3.0 Port for attaching peripherals. AMPS and VESA 75MM Mounting Holes. Recommended with ProClip standard-duty or heavy-duty forklift mounts.