Click "Render" above to enter the rendering interface. You can set the height of the camera in the right property panel under "Camera Settings-Height". You can also press the keyboard shortcuts "Q" to elevate and "E" to lower the camera.
You can always use the shortcuts with the keyboard to efficiently control and move the Camera:
The key "A": to move the camera leftward
The key "D": to move the camera rightward
The key "W": to move the camera forward
The key "S": to move the camera backward
The key "Q": to elevate the camera
The key "E": to lower the camera