VA-400i Bundle: How to connect VA-400 v5 and U2i box to iPhone or iPad with Free app "USee - Camera"

Procedures to use Vividia VA-400 v5 on iPhone iPad with direct connection and the U2i box:
1. Download and install free app "USee - Camera" from Apple app store
2. Install 18650 battery in U2i box
3. Connect VA-400 v5 to the U2i box with USB-C adaptor to the "IN" port
4. Connect the U2i box "OUT" port to your iPhone or iPad with the USB-C to lighting cable
5. Turn on the U2i box by long press the power button
6. Open the "USee - Camera" app on your iPhone or iPad
7. Live video. You can take pictures and videos with the app.
Advantage of the U2i box over the W03B wifi wireless box:
1. Direct wire connection for fast data transfer.
2. Less delay or lapse
3. Less interference from environment
Drawbacks:
1. More connections and cables.
2. Require high quality cables and good connections for each part