Nissin has been around for years and they make a pretty decent product for the price. They have released a few updates for the Air10S since its launch and the latest update adds a new function.
Update steps
1 – Download the Firmware file to your computer.
2 – Format your MicroSD card under FAT32 format and copy the firmware file to MicroSD card. (Please backup data before format.)
3 – Insert MicroSD card and batteries into Air10s and switch on it.
4 – The LED light will blink in orange then change into red light. Wait until the green light blinks, the update process completed.
5 – Remove the card. Re-insert the batteries and power on Air10s.
Firmware update completed.Update Notes:
New function: double click “M.zoom” enter zoom setting.