Large-capacity Waterproof Expandable Hard Shell Backpack with USB Charging Hole(162 Deep Gray) Car Electrical Appliances HDMI output supports 1080P/60Hz

HDMI output supports 1080P/60Hz

lightweight and portable with switchable backlight & large LCD display for clear reading

and one click recovery

working frequency: 3

and the fault is indicated when the yellow light is on

Large-capacity Waterproof Expandable Hard Shell Backpack with USB Charging Hole(162 Deep Gray) Car Electrical Appliances HDMI output supports 1080P/60Hz1. Material: ABS 900D strong film, EVA, polyester 2. Function: waterproof, with USB charging hole, shock resistance, capacity expansion, cut resistance, dry and wet separation 3. Accommodates computer size: 17 inches 4. Design of USB charging interface on the side of the bag 5. Widened and thickened handle design, comfortable and durable 6. Two way zipper, more convenient to open and close 7. Side handle design, a variety of carrying methods 8.