product details can be viewed:
https://www.jrpropo-jp.com/product-page/elite-dmss-2-4ghz-transmitter
 
Transmitter case:
https://www.deeforce.net/product-page/jr-propo-single-transmitter-soft-case
 
[ Manual Download ]　
[ Firmware Update ]  30-JUN-2024

<<WARNING>>
When using a flight simulator, do not use a cable that converts the trainer-jack signal to USB. Doing so may damage the circuit board and lead to equipment failure.
Please use only the dedicated dongle and receivers manufactured by JR PROPO when operating a simulator.
https://www.deeforce.net/product-page/dongle-for-real-freight-simulator