Google Pixel 4a 5G
16 MP, f/2.2, 107˚ ultrawide, 1.0µm
USB Power Delivery 2.0
No, Google Pixel 4a 5G does not offer any kind of IP rating and it is not waterproofed.
Google announced 3 major Android updates. So it will receive Android 12, Android 13, and last update will be Android 14.
Google announced 3 years of security updates for Google Pixel 4a 5G, so it will receive patches approximately until 2023.
No, Google Pixel 4a 5G doesn't have Wi-Fi 6 version or newer.